videolan.org/x265

[and-ri]

closes #276

[what-the-diff]

PR Summary

• Added package.yml file for x265
  Introduces configuration file for the x265 library
• Builds 8bit, 10bit, and 12bit versions of libx265 separately
  Compiles different versions of libx265 with desired bit depths
• Combines libraries into a single static library
  Avoids duplicate symbols and streamlines usage within projects
• Disables building the CLI tool
  Prevents conflicts with other packages and ensures compatibility with VLC and cross-compiling on Linux
• Adds pkgconfig support
  Allows users to easily locate the installed library from their own project's configuration management, improving integration