[TECHNICAL SUPPORT] LPS-43470 Add Annotation driven ShardAdvice

Hi Miguel,

As I mentioned it in my e-mail, this is the first Sharding related pull request I'd like to send you. For detailed description for the pr, please see my original pr sent to @laszlocsontos : https://github.com/laszlocsontos/liferay-portal/pull/17

If you have any concerns/questions, please let me know.

Cheers,
Vilmos