OTP Application for TruelayerClient.
Starts the shared infrastructure required by all client instances.
Supervision tree
TruelayerClient.Application
└── TruelayerClient.Auth.MemoryStore (GenServer, owns ETS token table)If you supply a custom :token_store to TruelayerClient.new/1, the
MemoryStore is still started but unused by that client instance.