Add PBandGraphOauth scaffold and auth UI

node_modules/hono/dist/utils/jwt/utf8.js

@@ -0,0 +1,7 @@
+// src/utils/jwt/utf8.ts
+var utf8Encoder = new TextEncoder();
+var utf8Decoder = new TextDecoder();
+export {
+  utf8Decoder,
+  utf8Encoder
+};