text: Title: Create Exa.ai "Get Contents" and "Find Similar" Blocks
  Body: Following up from [https://github.com/Significant-Gravitas/AutoGPT/pull/8835](https://github.com/Significant-Gravitas/AutoGPT/pull/8835)**<br>**<br>Now that we have Exa Search on the platform, let's add support for their Get Contents and Find Similar endpoints.<br><br>[https://docs.exa.ai/reference/get-contents](https://docs.exa.ai/reference/get-contents)<br><br>[https://docs.exa.ai/reference/find-similar-links](https://docs.exa.ai/reference/find-similar-links)