Implement a new "Community Discovery" strategy for the DevRank Spider to improve coverage of diverse developer communities and correct sampling bias.

Features

1. Community Scan Strategy: Target specific organizations (e.g., PyLadies, WomenWhoCode) to find members and contributors.
2. Bio Signal Strategy: Search for users with specific bio keywords (e.g., "she/her", "woman in tech").
3. Strategy Rebalancing: Update pickStrategy weights to include these new methods.

Technical Details

• Add communityTargets list to Spider.mjs.
• Implement runCommunityScan(targetOrg) method.
• Add "Discovery: Bio Signals" search query.