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

tests/test_config_manager.py

@@ -1,5 +1,5 @@
 """
-Test suite for MaxClaw Agent configuration manager
+Test suite for LangCode Agent configuration manager
 """
 import os
 import json

tests/test_provider_tools.py

@@ -1,5 +1,5 @@
 """
-Test suite for MaxClaw Agent provider tools
+Test suite for LangCode Agent provider tools
 """
 import os
 import sys