refactor: 🚚 Organize code into sub-packages, instead of a single large package

packages/api/middlewares/url-check.ts

@@ -0,0 +1,19 @@
+import { config } from "@versia-server/config";
+import { createMiddleware } from "hono/factory";
+
+export const urlCheck = createMiddleware(async (context, next) => {
+    // Check that request URL matches base_url
+    const baseUrl = config.http.base_url;
+
+    if (new URL(context.req.url).origin !== baseUrl.origin) {
+        return context.json(
+            {
+                error: `Request URL ${context.req.url} does not match base URL ${baseUrl.origin}`,
+            },
+            400,
+        );
+    }
+
+    await next();
+    return;
+});