Add Module Composer API #1480

Job	Run time
Build Element Web	2m 25s
Run Tests [Chrome] 2/4	11m 49s
Run Tests [Chrome] 4/4	17m 54s
Run Tests [Chrome] 3/4	11m 38s
Run Tests [Chrome] 1/4	12m 57s
Prepare Element Desktop / Prepare	44s
Downstream Playwright tests [element-modules]	0s
Desktop Linux (static, amd64, false) / Build Linux amd64 SQLCipher static	11m 21s
Desktop Windows	-1s
Desktop macOS	-1s
Desktop Linux (static, amd64, false) / Test Linux amd64 SQLCipher static / Test linux-amd64-sqlcipher-static	1m 46s
end-to-end-tests	41s
	1h 11m 13s

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