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/support.mdx

@@ -0,0 +1,38 @@
+---
+title: Support
+description: Learn what types of support we offer.
+---
+
+# Support
+
+## Community Support
+
+If you are a developer or free user, you can reach out to the community or raise an issue:
+
+### [Create Github Issues](https://github.com/documenso/documenso/issues)
+
+The community and the core team address GitHub issues. Be sure to check if a similar issue already exists. Please note that while we want to address everything immediately, we must prioritize.
+
+### [Join our Discord](https://documen.so/discord)
+
+You can ask for help in the [community help channel](https://discord.com/channels/1132216843537485854/1133419426524430376).
+
+## Paid Account Support
+
+### Email: support@documenso.com
+
+If you are paying customers facing issues, email our customer support, especially in urgent cases.
+
+### Private Discord channel
+
+If you prefer Discord, we can invite you to a private channel. Message support to make this happen.
+
+## Enterprise Support
+
+### Email: support@documenso.com
+
+If you are paying customers facing issues, email our customer support, especially in urgent cases.
+
+### Slack
+
+If your team is on Slack, we can create a private workspace to support you more closely.