feat(datasource-replica): add replica datasource #4420

Job	Run time
Installing & Building	2m 20s
Lint commit messages	13s
Build API Reference	1m 43s
Linting & Testing (agent)	1m 56s
Linting & Testing (datasource-customizer)	1m 6s
Linting & Testing (datasource-dummy)	37s
Linting & Testing (datasource-mongoose)	2m 8s
Linting & Testing (datasource-replica)	43s
Linting & Testing (datasource-sequelize)	38s
Linting & Testing (datasource-sql)	2m 53s
Linting & Testing (datasource-toolkit)	1m 2s
Linting & Testing (forestadmin-client)	45s
Linting & Testing (plugin-aws-s3)	35s
Linting & Testing (plugin-export-advanced)	27s
Linting & Testing (plugin-flattener)	41s
Send Coverage	8s
Release packages	0s
Publish API Reference	0s
	17m 55s

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