AssetBundleFile: Support alignment flag 0x200

Add class database for 2022.1.1f1

Fix division by zero

Fix BC6H, BC7 import

Small cleanup.

UABE rework, Initial OSS release

Update README.md (URL)

Update Changelog.md for 2.2 stable d

Update Legacy.md

Update Changelog.md for 2.2 stable c.

Update Legacy.md

Update Changelog.md for 2.2 stable b.

Move 2.2 beta 1 and 2 to Legacy.md.

Update Changelog.md for 2.2 stable

Update Changelog.md for 2.2 beta4.