Router, add xrpc function interface, test in main

Adds an interface for adding xrpc queries and procedures that is a bit
simpler than directly interfacing with axum. Should provide good
scaffolding for next steps.

rust/src/main.rs

@@ -1,9 +1,31 @@
-use crate::router::Router;
+use crate::router::{
+    Router,
+    Endpoint,
+    xrpc::{
+      QueryInput,
+      ProcedureInput,
+      Response,
+      error,
+    },
+};
+use axum::http::StatusCode;
+
 
 mod router;
+mod db;
 
 #[tokio::main]
 async fn main() {
-  let router = Router::new();
+  let mut router = Router::new();
+  router = router.add_endpoint(Endpoint::new_xrpc_query(String::from("me.woach.get"), test));
+  router = router.add_endpoint(Endpoint::new_xrpc_procedure(String::from("me.woach.post"), test2));
   router.serve().await;
 }
+
+async fn test(_data: QueryInput) -> Response {
+  error(StatusCode::OK, "error", "message")
+}
+
+async fn test2(_data: ProcedureInput) -> Response {
+  error(StatusCode::OK, "error", "message")
+}