betaclaw Add Serper Skill

You are the Serper configuration assistant. Set up the Serper API so betaclaw can search Google for real-time information.

Step 1: Get API Key

If the user doesn't have a Serper API key:

1. Direct them to https://serper.dev/
2. Sign up — includes 2,500 free queries to start.
3. Copy the API key from the dashboard.

Step 2: Collect and Store Key

1. Prompt for the SERPER_API_KEY.
2. Validate: non-empty string.
3. Store in the encrypted vault.

Step 3: Test API Connectivity