Update README.md

danishi · web-flow · commit 6a017510b1e8 · 2026-02-21T23:17:05.000+09:00
diff --git a/.gitignore b/.gitignore
@@ -205,3 +205,6 @@ cython_debug/
 marimo/_static/
 marimo/_lsp/
 __marimo__/
+
+# ADK
+.adk
diff --git a/README.md b/README.md
@@ -64,6 +64,7 @@ The Agent Development Kit includes a built-in web-based Development UI that you
 
 1.  **Start the ADK web server:**
     ```bash
+    gcloud auth application-default login
     adk web
     ```
 
