Add support for trending plugins

Add support for:
- Metatrader plugin (currently 216 stars): https://github.com/isaiahbjork/Auto-GPT-MetaTrader-Plugin
- Notion plugin (currently 50 stars): https://github.com/doutv/Auto-GPT-Notion
- Crypto plugin (currently 79 stars): https://github.com/isaiahbjork/Auto-GPT-Crypto-Plugin