Rename project: maxclaw → langcode

- Renamed all references from maxclaw to langcode across all files
- Renamed maxclaw.py → langcode.py
- Renamed completion scripts: maxclaw.bash/zsh → langcode.bash/zsh
- Updated Dockerfile, README, all Python files, HTML, JSON, YAML
- New Gitea repository: http://192.168.0.183:8085/truetype/langcode_agent.git

plugins/manager.py

@@ -1,5 +1,5 @@
 """
-Plugin manager for MaxClaw Agent
+Plugin manager for LangCode Agent
 """
 import os
 import sys
@@ -15,7 +15,7 @@ from plugins.base import BasePlugin
 
 
 class PluginManager:
-    """Manages plugins for MaxClaw Agent"""
+    """Manages plugins for LangCode Agent"""
     
     def __init__(self, plugin_dir: Optional[str] = None):
         """