Added lombok plugin to be able to create data object , and add some model objects templates to start with

[ajitfb]

Summary:
Added lombok plugin to be able to create data object , and add some model objects templates to start with.

Overall execution plan: https://docs.google.com/document/d/1j-2mf1bPdR9vsahhSeB2LfHHC3pSAXY8aV99cNHUoPk/edit#

This diff:

1. creates a lombok object to efficiently add model objects.
2. creates model objects with annotation pre processor , supported by lombok during compile time.
3. Added a generated file for lombok config.
4. Added a threadsafe cache which will be used as a primary cache.

Upcoming:

1. create singleton to instantiate a deployment meta class with respective models.
2. use spring way to create config class to create singleton.
3. Hook up controller to use this

Differential Revision: D44281679

[facebook-github-bot]

This pull request was exported from Phabricator. Differential Revision: D44281679

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