Squashed commit of the following

commit e459ce00 
Author: zhijie wang <wanzhiji@amazon.com> 
Date: Tue May 04 2021 16:26:08 GMT-0500 (Central Daylight Time) 

    Merge remote-tracking branch 'origin' into multi-tenant


commit 04db74fc 
Author: zhijie wang <wanzhiji@amazon.com> 
Date: Mon May 03 2021 11:28:05 GMT-0500 (Central Daylight Time) 

    revert minor changes


commit ebdcbd40 
Author: zhijie wang <wanzhiji@amazon.com> 
Date: Mon May 03 2021 11:27:13 GMT-0500 (Central Daylight Time) 

    add back sns


commit 60bbc092 
Author: David Diederich <d.diederich@opengroup.org> 
Date: Fri Apr 16 2021 14:46:57 GMT-0500 (Central Daylight Time) 

    Update version of default branch to 0.9.0-SNAPSHOT


commit f44e8c92 
Author: zhijie wang <wanzhiji@amazon.com> 
Date: Sat May 01 2021 14:08:19 GMT-0500 (Central Daylight Time) 

    fix typo


commit bb22bab2 
Author: zhijie wang <wanzhiji@amazon.com> 
Date: Sat May 01 2021 13:01:08 GMT-0500 (Central Daylight Time) 

    add partition api reference


commit 49f7a97c 
Author: zhijie wang <wanzhiji@amazon.com> 
Date: Sat May 01 2021 11:43:14 GMT-0500 (Central Daylight Time) 

    Add back GoogleServiceAccount


commit 816b83de 
Author: zhijie wang <wanzhiji@amazon.com> 
Date: Fri Apr 30 2021 11:43:06 GMT-0500 (Central Daylight Time) 

    remove dynmo info in service config


commit 591d9b36 
Author: zhijie wang <wanzhiji@amazon.com> 
Date: Tue Apr 27 2021 17:05:43 GMT-0500 (Central Daylight Time) 

    update unit test


commit e0f5c6e0 
Author: zhijie wang <wanzhiji@amazon.com> 
Date: Tue Apr 27 2021 16:42:26 GMT-0500 (Central Daylight Time) 

    initial commit