fair use policy and support page
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## Summary by CodeRabbit
- **New Features**
- Added a "Support" documentation page outlining various support options
for users, including Community, Paid Account, and Enterprise support.
- Introduced a "Fair Use Policy" documentation page, providing
guidelines and reassurance regarding usage of the service.
- Enhanced the account creation documentation with additional
information about the Fair Use Policy.
- **Improvements**
- Updated the documentation structure with new sections for easier
navigation, including "Support" and "Fair Use Policy."
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