Windows EXE Build

What's Changed

• Created bilingual usage docs, updated READMEs with cross-links. by @opencode-agent[bot] in #100
• Added base converter to all platforms by @opencode-agent[bot] in #101
• 全面修复bug并同步安卓版 by @opencode-agent[bot] in #102
• Added Perpetual Calendar feature across all platforms. by @opencode-agent[bot] in #103
• 修复11文件: bug修复+依赖更新+i18n by @opencode-agent[bot] in #104
• Added implicit function plotting across all platforms. by @opencode-agent[bot] in #105
• Added bitwise calculator to web, desktop, Android with localization. by @opencode-agent[bot] in #106
• Added probability calculator feature to all platforms. by @opencode-agent[bot] in #107

Full Changelog: exe-20...exe-22