gRPC-enclave args & translator full multi-tenancy

[lainio]

• update todos
• add -url flag
• add missing origin
• add FIDO2 server's url and origin usage and flags
• multi-tenant grpcenclave
• better status log line in reading loop
• standard map -> x.RWMap for thread safety
• change cookie related logging lvl 1 -> 3
• bug fix: uses AAGUUID
• use context for Done, new asserts, continuing with mutex..
• works, but pessimistic
• use mutual client var for both gRPC call
• free method added, works without error
• final cycle-buf implementation
• gofmt
• minor refactorings