Fix uncrustify bugs. Now we are using a modified version of uncrustify base on uncrustify 0.70, for better obj-c handling.

Update SwiftFormat to 0.49.13 and uncrustify to 0.74.

(Older rules may not work with newer versions of the formatter, if you're having trouble with formatting, please reset them to default.)

- Replace the App Icon for macOS Big Sur.
- Replace SwiftFormat Options with YAML format.
- Bug fixes.

- Supports Xcode 12.2 and macOS Big Sur.
- Optimized for Apple Silicon.

Update SwiftFormat and Uncrustify binaries.

# Added:
- Supports Swift Playground.

# Fixed
- Can't format Obj-C code.

# Added

- Supports Swift 5.

- Supports formatting Swift source file.
- Fix bugs.

- Supports formatting Swift source file.