build: filter out unsupported locales from the castopod bundle + remove german as supported locale

- add .rsync-filter files to Language folders in order to filter out unsupported locales
- remove
german as supported locale, awaiting completed translation files
- remove unneeded app/Resources/
folder from bundle

.rsync-filter

 # rsync filter rules to copy required files for Castopod's bundle
 
-- app/Views/_assets/
+- app/Resources/
 + app/***
 + modules/***
 + public/***

app/Config/App.php

@@ -101,7 +101,7 @@ class App extends BaseConfig
      *
      * @var string[]
      */
-    public array $supportedLocales = ['en', 'fr', 'pl', 'de'];
+    public array $supportedLocales = ['en', 'fr', 'pl'];
 
     /**
      * --------------------------------------------------------------------------

app/Language/.rsync-filter

++ en/***
++ fr/***
++ pl/***
+- **

modules/Admin/Language/.rsync-filter

++ en/***
++ fr/***
++ pl/***
+- **

modules/Install/Language/.rsync-filter

++ en/***
++ fr/***
++ pl/***
+- **