update readme

Author: wadave

examples/a2a-adk-app/airbnb_agent/README.md

@@ -1,4 +1,4 @@
-An example langgraph agent .
+# Remote agent built by LangGraph
 
 ## Getting started
 

examples/a2a-adk-app/host_agent/README.md

@@ -1,5 +1,6 @@
+# An example host agent frond end
 
-
-> **⚠️ DISCLAIMER: THIS IS NOT AN OFFICIALLY SUPPORTED GOOGLE PRODUCT. THIS PROJECT IS INTENDED FOR DEMONSTRATION PURPOSES ONLY. IT IS NOT INTENDED FOR USE IN A PRODUCTION ENVIRONMENT.**
-
-
+- Start the server
+    ```bash
+    uv run app.py
+    ```

examples/a2a-adk-app/host_agent/adk_agent/README.md

@@ -0,0 +1,16 @@
+# Host Agent built by ADK
+
+This example shows how to create an A2A Server that uses an ADK-based Agent.
+
+
+## Setting up the agent
+
+1. Create the .env file with your API Key
+   ```bash
+   OOGLE_GENAI_USE_VERTEXAI=TRUE
+   GOOGLE_CLOUD_PROJECT="your project id"
+   GOOGLE_CLOUD_LOCATION=us-central1
+   AIR_AGENT_URL=http://localhost:10002
+   WEA_AGENT_URL=http://localhost:10001
+   ```
+

examples/a2a-adk-app/weather_agent/README.md

@@ -1,16 +1,13 @@
-# ADK Agent
+# Remote Agent built by ADK
 
 This example shows how to create an A2A Server that uses an ADK-based Agent.
 
-
 ## Running the example
 
-1. Create the .env file with your API Key and OAuth2.0 Client details
+1. Create the .env file with the following content:
 
    ```bash
    echo "GOOGLE_API_KEY=your_api_key_here" > .env
-   echo "GOOGLE_CLIENT_ID=your_client_id_here" >> .env
-   echo "GOOGLE_CLIENT_SECRET=your_client_secret_here" >> .env
    ```
 
 2. Run the example