Pull in code from pool_elo

need to re-integrate yugioh code

src/endpoints.rs

@@ -1 +1,6 @@
-pub const MATCH: &str = "/api/post-match";
+pub const REGISTER: &str = "/api/register";
+pub const LOGIN: &str = "/api/login";
+// TODO -> remove once it's used
+#[cfg(engine)]
+pub const LOGIN_TEST: &str = "/api/login-test";
+pub const FORGOT_PASSWORD: &str = "/api/forgot-password";