Add build system, versioning, releases, multilingual docs

- version.py with v1.0.0
- build.py (PyInstaller cross-platform build script)
- build.sh / build.bat for quick builds
- releases/ServerManager-v1.0.0-win-x64.exe (Windows x64 binary)
- README.md with docs in English, Russian, Chinese
- CHANGELOG.md

Co-Authored-By: Claude Opus 4.6 <noreply@anthropic.com>

build.bat

@@ -0,0 +1,10 @@
+@echo off
+REM Build script for Windows
+REM Usage: build.bat
+
+cd /d "%~dp0"
+
+pip install -r requirements.txt pyinstaller >nul 2>&1
+python build.py %*
+
+pause