feat: add advanced translator cog with proxy and languages

Introduces multilingual translation cog supporting fantasy languages
Adds proxying features for role-playing with sonas and auto-translation
Includes admin commands for managing custom languages and context menus

Replaces basic translation with enhanced functionality for Discord bot

translator/languages/piglatin.py

@@ -0,0 +1,8 @@
+# This language is handled by its 'rule' type in the main cog.
+# It doesn't need a map.
+
+def get_language():
+    return {
+        'name': 'Pig Latin',
+        'type': 'rule'
+    }