Translation Updates.

- Added addon_preferences so we can save users preferences into a json file.
- Made translation slightly simpler

This mostly works just have to figure out why we can't update description on reload (There only update on blender restart).

core/addon_preferences.py

@@ -0,0 +1,43 @@
+import bpy
+import os
+import json
+from bpy.types import AddonPreferences
+from typing import Any, Dict
+
+# Get the directory of the current file
+PREFERENCES_DIR = os.path.dirname(os.path.abspath(__file__))
+PREFERENCES_FILE = os.path.join(PREFERENCES_DIR, "preferences.json")
+
+def save_preference(key: str, value: Any) -> None:
+    """Save a single preference to the JSON file."""
+    prefs = load_preferences()
+    prefs[key] = value
+    with open(PREFERENCES_FILE, 'w') as f:
+        json.dump(prefs, f, indent=4)
+
+def load_preferences() -> Dict[str, Any]:
+    """Load all preferences from the JSON file."""
+    if os.path.exists(PREFERENCES_FILE):
+        with open(PREFERENCES_FILE, 'r') as f:
+            return json.load(f)
+    return {}
+
+def get_preference(key: str, default: Any = None) -> Any:
+    """Get a single preference from the JSON file."""
+    prefs = load_preferences()
+    return prefs.get(key, default)
+
+class AvatarToolkitPreferences(AddonPreferences):
+    bl_idname = __package__.rsplit('.', 1)[0]
+
+    def draw(self, context):
+        layout = self.layout
+        layout.label(text="Preferences are managed internally.")
+        # You can add more UI elements here if needed
+
+def get_addon_preferences(context):
+    return context.preferences.addons[AvatarToolkitPreferences.bl_idname].preferences
+
+# Initialize preferences if the file doesn't exist
+if not os.path.exists(PREFERENCES_FILE):
+    save_preference("language", 0)  # Set default language to 0 (auto)