[Feature Request] Performance improvements - partition cloud_event table

[volodymyr-babak]

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[volodymyr-babak]

Related to ticket https://github.com/thingsboard/thingsboard-edge/issues/47

[volodymyr-babak]

Cloud event table partitioned by this commit: https://github.com/thingsboard/thingsboard-edge/commit/30df42d784e34fae41794601cbc20daa91fed7a8