Add MAX Mini App frontend flow

server/api/auth/max-mini-app/connect.post.ts

@@ -0,0 +1,27 @@
+export default defineEventHandler(async (event) => {
+  const config = useRuntimeConfig(event);
+  const backendUrl = new URL(config.backendGraphqlUrl);
+  const endpoint = `${backendUrl.origin}/auth/max-mini-app/connect`;
+  const body = await readBody(event);
+
+  const cookie = getHeader(event, 'cookie');
+  const authorization = getHeader(event, 'authorization');
+
+  const response = await fetch(endpoint, {
+    method: 'POST',
+    headers: {
+      'content-type': 'application/json',
+      ...(cookie ? { cookie } : {}),
+      ...(authorization ? { authorization } : {}),
+    },
+    body: JSON.stringify(body),
+  });
+
+  setResponseStatus(event, response.status);
+  const contentType = response.headers.get('content-type');
+  if (contentType) {
+    setHeader(event, 'content-type', contentType);
+  }
+
+  return await response.json();
+});