Implement basic battle arena functionality #32

Cargo.lock

@@ -2686,6 +2686,7 @@ version = "0.4.0"
 dependencies = [
  "argon2",
  "async-trait",
+ "base64 0.22.1",
  "chrono",
  "hex",
  "jsonwebtoken",
@@ -2804,7 +2805,6 @@ name = "oj_rc_services_room"
 version = "0.4.0"
 dependencies = [
  "async-trait",
- "base64 0.22.1",
  "chrono",
  "clap",
  "env_logger",