GSoC Changelog

Changelog for add-screencopy-dmabuf-backend branch

Added new API function capture_output_frame_dmabuf in WayshotConnection which provides a full on-GPU pipeline to transfer screenshot data from the wayland compositor, returns a WlBuffer and gbm-rs BufferObjects.
- See examples/\waymirror.rs for a demo
Added new API functions capture_output_frame_eglimage_on_display, capture_output_frame_eglimage and bind_output_frame_to_gl_texture
- See examples/waymirror-egl for a demo project using the GL API pipeline
New build dependency - libegl is required for statically linking in the EGL libraries. libwayland is also now a required dependency for the EGL/OpenGL pipeline.

In-built clipboard support using wl-clipboard-rs, use the --clipboard flag to copy to clipboard