Blocks: Add block bindings registry class #1740

Job	Run time
Core running from build / Core running from build / Linux	1m 57s
Core running from src / Core running from src / Linux	1m 53s
Core running from build / Core running from build / Windows	3m 43s
Core running from src / Core running from src / Windows	3m 44s
Core running from build / Core running from build / MacOS	2m 59s
Core running from src / Core running from src / MacOS	3m 22s
Gutenberg running from build / Gutenberg running from build / Linux	8m 19s
Gutenberg running from src / Gutenberg running from src / Linux	8m 10s
Gutenberg running from build / Gutenberg running from build / Windows	11m 54s
Gutenberg running from src / Gutenberg running from src / Windows	11m 56s
Gutenberg running from build / Gutenberg running from build / MacOS	15m 31s
Gutenberg running from src / Gutenberg running from src / MacOS	12m 12s
Leave WordPress Playground details	5s
Slack Notifications	0s
Failed workflow tasks	0s
	1h 25m 45s

Provide feedback