basic frankenphp support

fixes #17

nix/image/php.nix

@@ -8,40 +8,7 @@
   withBlackfire = !debug && ((compareVersions php.version "8.1.0") == 1);
 in
   php.buildEnv {
-    extensions = {
-      enabled,
-      all,
-    }:
-      enabled
-      ++ (with all;
-        [
-          xdebug
-          excimer
-          inotify
-          redis
-          oci8
-          zip
-          pdo
-          pdo_pgsql
-          pdo_sqlite
-          pdo_mysql
-          pgsql
-          intl
-          curl
-          mbstring
-          pcntl
-          ldap
-          exif
-          gmp
-          apcu
-          ffi
-        ]
-        ++ optionals (!debug) [
-          smbclient # this breaks the build for no apparent reason
-        ]
-        ++ optionals withBlackfire [
-          blackfire
-        ]);
+    extensions = import ./php-ext.nix {inherit lib php debug;};
     extraConfig = ''
       xdebug.mode=debug,trace,profile
       xdebug.start_with_request=trigger