feat: supabase with env file reading

package/supabase-with-env-collection.nix

@@ -0,0 +1,14 @@
+{ pkgs, ... }: 
+pkgs.writeShellScriptBin "supabase" ''
+# Get the root of the repository
+GIT_ROOT="$(git rev-parse --show-toplevel 2>/dev/null || echo .)"
+
+# Source .env from root of the repo if it exists
+if [ -f "$GIT_ROOT/.env" ]; then
+  set -a
+  . "$GIT_ROOT/.env"
+  set +a
+fi
+
+${pkgs.supabase-cli}/bin/supabase --workdir "$GIT_ROOT/web" $@
+''