fix(exts): remove remaining duplicated files

Move pgrouting.nix to pgrouting/default.nix and groonga package to
pgroonga/groonga.nix. Update imports and fix relative paths for versions.json
and patch files.

Author: yvan-sraka

nix/packages/groonga/default.nix nix/ext/pgroonga/groonga.nixnix/packages/groonga/default.nix renamed to nix/ext/pgroonga/groonga.nix

@@ -12,7 +12,7 @@ let
   pname = "pgrouting";
 
   # Load version configuration from external file
-  allVersions = (builtins.fromJSON (builtins.readFile ./versions.json)).${pname};
+  allVersions = (builtins.fromJSON (builtins.readFile ../versions.json)).${pname};
 
   # Filter versions compatible with current PostgreSQL version
   supportedVersions = lib.filterAttrs (
@@ -50,7 +50,7 @@ let
       };
 
       patches = lib.optionals (version == "3.4.1" && lib.versionAtLeast postgresql.version "17") [
-        ./pgrouting/pgrouting-3.4.1-pg17.patch
+        ./pgrouting-3.4.1-pg17.patch
       ];
 
       #disable compile time warnings for incompatible pointer types only on macos and pg16

nix/ext/pgrouting.nix nix/ext/pgrouting/default.nixnix/ext/pgrouting.nix renamed to nix/ext/pgrouting/default.nix

@@ -36,7 +36,7 @@
           github-matrix = pkgs.callPackage ./github-matrix {
             nix-eval-jobs = inputs'.nix-eval-jobs.packages.default;
           };
-          supabase-groonga = pkgs.callPackage ./groonga { };
+          supabase-groonga = pkgs.callPackage ../ext/pgroonga/groonga.nix { };
           http-mock-server = pkgs.callPackage ./http-mock-server.nix { };
           local-infra-bootstrap = pkgs.callPackage ./local-infra-bootstrap.nix { };
           mecab-naist-jdic = pkgs.callPackage ./mecab-naist-jdic.nix { };

nix/packages/default.nix

@@ -25,7 +25,7 @@
         ../ext/pgjwt.nix
         ../ext/pgaudit.nix
         ../ext/postgis.nix
-        ../ext/pgrouting.nix
+        ../ext/pgrouting
         ../ext/pgtap.nix
         ../ext/pg_cron
         ../ext/pgsql-http.nix