v1.0.0-rc.1

Changelog

c33dfd8 (chore) add sam and serverless repo
9c727fd (doc) update README, update templates
e3080ff (fix) add google admin to bind
bc5fb96 (fix) group member sync
258c085 (fix) loading lambda handler
317d397 (fix) using archived and active users for sync
dd4f473 (refactor) logging, parsing, config
f95078e (refactor) remove AWS CDK and use SAM + SAR
046ce0b (refactor) use service account
5d5dea9 (wip) adding serverless repo
36ac217 Update issue templates
9d461ec using filter groups for getting a group