Refactor project build

[VDovidaytis-HORIS]

Added

• Python script for release build.
• Linux aarch64 support.
• Dockerfile for cross-arch manylinux_aarch64 image.
• Tools documentation.
• External parameters for Gradle release build.

Changed

• Refactored Gradle scripts.
• Kotlin Native targets are defined by the Python architecture (instead of host JVM).
• Refactored shell scripts for manylinux wheels build.
• Removed IgnoreTarget.kt from annotations.
• Updated release documentation.

Fixed

• Windows build for MSYS2 platform.
• CssStyleUtilTest.kt