Package gaesecrets implements storage of secret blobs on top of datastore.
It is not super secure, but we have what we have: there's no other better mechanism to persistently store non-static secrets on GAE.
All secrets are global (live in default GAE namespace).
Use injects the GAE implementation of secrets.Store into the context. The context must be configured with GAE datastore implementation already.
Config can be used to tweak parameters of the store. It is fine to use default values.