chore: last touches (#1263)

fair use policy and support page

<!-- This is an auto-generated comment: release notes by coderabbit.ai
-->

## 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."

<!-- end of auto-generated comment: release notes by coderabbit.ai -->

apps/documentation/pages/users/_meta.json

@@ -1,5 +1,6 @@
 {
   "index": "Introduction",
+  "support": "Support",
   "-- How To Use": {
     "type": "separator",
     "title": "How To Use"
@@ -13,6 +14,7 @@
     "type": "separator",
     "title": "Legal Overview"
   },
+  "fair-use": "Fair Use Policy",
   "licenses": "Licenses",
   "compliance": "Compliance"
 }