Add initial changelog #265

Job	Run time
Linux (aarch64) / build (Debug)	2m 43s
Android / build (Debug)	1m 30s
Linux (x86_64) / build (Debug)	1m 16s
iOS / build (Debug)	6m 26s
Linux (aarch64) / build (Release)	2m 37s
Linux (x86_64) / build (Release)	3m 12s
Android / build (Release)	2m 7s
iOS / build (Release)	2m 13s
macOS (Universal) / build (Debug)	2m 15s
tvOS / build (Debug)	5m 21s
Windows (x86_64) / build (Debug)	9m 24s
macOS (Universal) / build (Release)	3m 36s
tvOS / build (Release)	1m 57s
Windows (x86_64) / build (Release)	6m 57s
Test Suite (Linux x86_64) / build	2m 32s
	54m 6s

Provide feedback