treewide: move language servers to pkgs/development/tools/language-servers

pkgs/top-level/all-packages.nix

···
 
   buf = callPackage ../development/tools/buf { };
 
-  buf-language-server = callPackage ../development/tools/buf-language-server { };
-
   cbfmt = callPackage ../development/tools/cbfmt { };
 
   cfn-nag = callPackage ../development/tools/cfn-nag { };
···
 
   verco = callPackage ../applications/version-management/verco { };
 
-  verible = callPackage ../development/tools/verible { };
-
   verilator = callPackage ../applications/science/electronics/verilator {};
 
   verilog = callPackage ../applications/science/electronics/verilog {
···
   kotlin = callPackage ../development/compilers/kotlin { };
   kotlin-native = callPackage ../development/compilers/kotlin/native.nix { };
 
-  kotlin-language-server = callPackage ../development/tools/kotlin-language-server {};
-
   lazarus = callPackage ../development/compilers/fpc/lazarus.nix {
     fpc = fpc;
   };
···
   mercury = callPackage ../development/compilers/mercury { };
 
   microscheme = callPackage ../development/compilers/microscheme { };
-
-  millet = callPackage ../development/tools/millet {};
 
   mint = callPackage ../development/compilers/mint { };
 
···
     coursier = coursier.override { jre = jdk8; };
   };
 
-  metals = callPackage ../development/tools/metals { };
   scalafix = callPackage ../development/tools/scalafix {
     jre = jre8; # TODO: remove override https://github.com/NixOS/nixpkgs/pull/89731
   };
···
 
   ansible-doctor = with python3.pkgs; toPythonApplication ansible-doctor;
 
-  ansible-language-server = callPackage ../development/tools/ansible-language-server { };
+  ### DEVELOPMENT / TOOLS / LANGUAGE-SERVERS
+
+  ansible-language-server = callPackage ../development/tools/language-servers/ansible-language-server { };
+
+  beancount-language-server = callPackage ../development/tools/language-servers/beancount-language-server { };
+
+  buf-language-server = callPackage ../development/tools/language-servers/buf-language-server { };
+
+  ccls = callPackage ../development/tools/language-servers/ccls {
+    llvmPackages = llvmPackages_latest;
+  };
+
+  fortls = python3.pkgs.callPackage ../development/tools/language-servers/fortls { };
+
+  fortran-language-server = python3.pkgs.callPackage ../development/tools/language-servers/fortran-language-server { };
+
+  gopls = callPackage ../development/tools/language-servers/gopls { };
+
+  jdt-language-server = callPackage ../development/tools/language-servers/jdt-language-server { };
+
+  jsonnet-language-server = callPackage ../development/tools/language-servers/jsonnet-language-server { };
+
+  kotlin-language-server = callPackage ../development/tools/language-servers/kotlin-language-server { };
+
+  metals = callPackage ../development/tools/language-servers/metals { };
+
+  millet = callPackage ../development/tools/language-servers/millet { };
+
+  nil = callPackage ../development/tools/language-servers/nil { };
+
+  rnix-lsp = callPackage ../development/tools/language-servers/rnix-lsp { nix = nixVersions.nix_2_9; };
+
+  sumneko-lua-language-server = darwin.apple_sdk_11_0.callPackage ../development/tools/language-servers/sumneko-lua-language-server {
+    inherit (darwin.apple_sdk_11_0.frameworks) CoreFoundation Foundation;
+  };
+
+  svls = callPackage ../development/tools/language-servers/svls { };
+
+  vala-language-server = callPackage ../development/tools/language-servers/vala-language-server { };
+
+  verible = callPackage ../development/tools/language-servers/verible { };
 
   ansible-later = with python3.pkgs; toPythonApplication ansible-later;
 
···
   cppcheck = callPackage ../development/tools/analysis/cppcheck { };
 
   cpplint = callPackage ../development/tools/analysis/cpplint { };
-
-  ccls = callPackage ../development/tools/misc/ccls {
-    llvmPackages = llvmPackages_latest;
-  };
 
   credstash = with python3Packages; toPythonApplication credstash;
 
···
 
   fprettify = callPackage ../development/tools/fprettify { };
 
-  fortls = python3.pkgs.callPackage ../development/tools/fortls { };
-
-  fortran-language-server = python3.pkgs.callPackage ../development/tools/fortran-language-server { };
-
   framac = callPackage ../development/tools/analysis/frama-c { };
 
   frame = callPackage ../development/libraries/frame { };
···
 
   nap = callPackage ../development/tools/nap { };
 
-  nil = callPackage ../development/tools/nil { };
-
   ninja = callPackage ../development/tools/build-managers/ninja { };
 
   nimbo = with python3Packages; callPackage ../applications/misc/nimbo { };
···
 
   rman = callPackage ../development/tools/misc/rman { };
 
-  rnix-lsp = callPackage ../development/tools/rnix-lsp { nix = nixVersions.nix_2_9; };
-
   rnginline = with python3Packages; toPythonApplication rnginline;
 
   rolespec = callPackage ../development/tools/misc/rolespec { };
···
 
   svlint = callPackage ../development/tools/analysis/svlint { };
 
-  svls = callPackage ../development/tools/misc/svls { };
-
   swarm = callPackage ../development/tools/analysis/swarm { };
 
   swiftformat = callPackage ../development/tools/swiftformat { };
···
   unused = callPackage ../development/tools/misc/unused { };
 
   vagrant = callPackage ../development/tools/vagrant {};
-
-  vala-language-server = callPackage ../development/tools/vala-language-server {};
 
   bashdb = callPackage ../development/tools/misc/bashdb { };
 
···
   jsonnet = callPackage ../development/compilers/jsonnet { };
 
   jsonnet-bundler = callPackage ../development/tools/jsonnet-bundler { };
-
-  jsonnet-language-server = callPackage ../development/tools/jsonnet-language-server { };
 
   jrsonnet = callPackage ../development/compilers/jrsonnet { };
 
···
 
   gomodifytags = callPackage ../development/tools/gomodifytags { };
 
-  gopls = callPackage ../development/tools/gopls { };
-
   gops = callPackage ../development/tools/gops { };
 
   gore = callPackage ../development/tools/gore { };
···
   ipaexfont = callPackage ../data/fonts/ipaexfont {};
 
   iwona = callPackage ../data/fonts/iwona { };
-
-  jdt-language-server = callPackage ../development/tools/jdt-language-server {};
 
   jetbrains-mono = callPackage ../data/fonts/jetbrains-mono { };
 
···
 
   beancount-black = with python3.pkgs; toPythonApplication beancount-black;
 
-  beancount-language-server = callPackage ../development/tools/beancount-language-server {};
-
   bean-add = callPackage ../applications/office/beancount/bean-add.nix { };
 
   bench = haskell.lib.compose.justStaticExecutables haskellPackages.bench;
···
   streamripper = callPackage ../applications/audio/streamripper { };
 
   sqsh = callPackage ../development/tools/sqsh { };
-
-  sumneko-lua-language-server = darwin.apple_sdk_11_0.callPackage ../development/tools/sumneko-lua-language-server {
-    inherit (darwin.apple_sdk_11_0.frameworks) CoreFoundation Foundation;
-  };
 
   sysz = callPackage  ../tools/misc/sysz { };