icl: add homepage

pkgs/by-name/lc/lci/package.nix

···
   buildInputs = [ readline ];
   meta = {
     description = "Lambda calculus interpreter";
+    homepage = "https://www.chatzi.org/lci/";
     mainProgram = "lci";
     maintainers = with lib.maintainers; [ raskin ];
     platforms = with lib.platforms; linux;