docs: added magefile target to generate docs #6600

Job	Run time
paths-filter	4s
Build Binary & Image	3m 47s
Analyzers Unit Tests	2m 32s
Datastore Consistency Tests (crdb)	2m 31s
Datastore Integration Tests (crdb)	7m 45s
Datastore Consistency Tests (mysql)	2m 32s
WASM Tests	2m 52s
Datastore Integration Tests (mysql)	2m 23s
E2E	2m 12s
Datastore Consistency Tests (spanner)	2m 46s
Datastore Integration Tests (spanner)	1m 46s
Integration Tests	3m 35s
Datastore Consistency Tests (postgres, 13.8)	3m 17s
Datastore Integration Tests (postgres, 13.8)	3m 41s
Generate Protobufs	0s
Datastore Integration Tests (postgres, 14)	3m 37s
Steelthread	2m 53s
Datastore Consistency Tests (postgres, 14)	3m 26s
Datastore Integration Tests (postgres, 15)	3m 13s
Datastore Consistency Tests (postgres, 15)	3m 0s
Unit	6m 13s
Datastore Integration Tests (postgres, 16)	3m 24s
Datastore Consistency Tests (postgres, 16)	3m 36s
Datastore Integration Tests (postgres, 17)	3m 17s
Datastore Consistency Tests (postgres, 17)	2m 50s
Datastore Integration Tests (pgbouncer, 13.8)	3m 34s
Datastore Integration Tests (pgbouncer, 14)	3m 55s
Datastore Integration Tests (pgbouncer, 15)	3m 37s
Datastore Integration Tests (pgbouncer, 16)	3m 21s
Datastore Integration Tests (pgbouncer, 17)	3m 19s
	1h 34m 58s

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