nixos/galene: use types.path for paths (#372391)

nixos/modules/services/web-apps/galene.nix

···
 
       stateDir = mkOption {
         default = defaultstateDir;
-        type = types.str;
+        type = types.path;
         description = ''
           The directory where Galene stores its internal state. If left as the default
           value this directory will automatically be created before the Galene server
···
       };
 
       certFile = mkOption {
-        type = types.nullOr types.str;
+        type = types.nullOr types.path;
         default = null;
         example = "/path/to/your/cert.pem";
         description = ''
···
       };
 
       keyFile = mkOption {
-        type = types.nullOr types.str;
+        type = types.nullOr types.path;
         default = null;
         example = "/path/to/your/key.pem";
         description = ''
···
       };
 
       staticDir = mkOption {
-        type = types.str;
+        type = types.path;
         default = "${cfg.package.static}/static";
         defaultText = literalExpression ''"''${package.static}/static"'';
         example = "/var/lib/galene/static";
···
       };
 
       recordingsDir = mkOption {
-        type = types.str;
+        type = types.path;
         default = defaultrecordingsDir;
         defaultText = literalExpression ''"''${config.${opt.stateDir}}/recordings"'';
         example = "/var/lib/galene/recordings";
···
       };
 
       dataDir = mkOption {
-        type = types.str;
+        type = types.path;
         default = defaultdataDir;
         defaultText = literalExpression ''"''${config.${opt.stateDir}}/data"'';
         example = "/var/lib/galene/data";
···
       };
 
       groupsDir = mkOption {
-        type = types.str;
+        type = types.path;
         default = defaultgroupsDir;
         defaultText = literalExpression ''"''${config.${opt.stateDir}}/groups"'';
         example = "/var/lib/galene/groups";