LuaMaker v1.2.3

LuaMaker v1.2.3

• modularized the application into main.py + luamaker_app.py
• refreshed the console UX with the new animated banner and improved input handling
• added DLC AppID export support and safer depot/manifests processing
• added automated unit tests and aligned the PyInstaller build flow
• refreshed the README and ignored local runtime/build artifacts
• updated the Discord invite in the terminal banner to https://discord.gg/vKCMp9cbfG

Verification

• python -m py_compile .\\luamaker_app.py .\\main.py .\\1.2.3.py .\\test_main_module.py
• python -m unittest .\\test_main_module.py -v
• source banner check for the new Discord link
• pyinstaller --clean --noconfirm .\\main.spec
• exe smoke test confirmed the new link is present and the old one is absent