Add PBandGraphOauth scaffold and auth UI

node_modules/hono/dist/helper/streaming/index.js

@@ -0,0 +1,10 @@
+// src/helper/streaming/index.ts
+import { stream } from "./stream.js";
+import { streamSSE, SSEStreamingApi } from "./sse.js";
+import { streamText } from "./text.js";
+export {
+  SSEStreamingApi,
+  stream,
+  streamSSE,
+  streamText
+};