2.1.0.0 Ground-Breaking Updates

1. Prevent Duplicate Instances (fix brookhong#27)
2. Correct Readme (@RokeJulianLockhart)
3. Bump MSVC to v145 (@Crazy-A2)
4. Support both x86 and x64 builds (@KimBioInfoStudio)
5. Add gitignore (@dbratell)
6. Support keyboards with AltGr (@dbratell)
7. Bump version to 2.1.0.0
8. Format code with LLVM style using clang-format
9. Standardlize project struct
10. Add localization support (fix brookhong#11)
11. Fix memory leaks, dangling pointers, uncollected handles, and unreleased resources, etc..
12. Add releases (fix brookhong#6, brookhong#7, brookhong#13, brookhong#22)
13. Add MIT License (fix brookhong#19)
14. Avoid create duplicate msg when wheel up/down (fix brookhong#21 @RuBing-Yang)