Contact and contributing page

docs/contact.md

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+# Contact
+
+This service is run by **Philipp C. Heckel**. There are several ways to get in touch with me and the 
+ntfy community. Please choose the appropriate channel based on your needs.
+
+## Community support (free)
+
+For general questions, feature discussions, and community help, please use one of these public channels:
+
+| Channel | Link | Description |
+|---------|------|-------------|
+| **Discord** | [discord.gg/cT7ECsZj9w](https://discord.gg/cT7ECsZj9w) | Real-time chat with the community (I'm `binwiederhier`) |
+| **Matrix** | [#ntfy:matrix.org](https://matrix.to/#/#ntfy:matrix.org) | Bridged from Discord, same community (I'm `binwiederhier`) |
+| **Matrix Space** | [#ntfy-space:matrix.org](https://matrix.to/#/#ntfy-space:matrix.org) | Matrix space with all ntfy rooms |
+| **Lemmy** | [discuss.ntfy.sh/c/ntfy](https://discuss.ntfy.sh/c/ntfy) | Forum-style discussions |
+| **GitHub Issues** | [github.com/binwiederhier/ntfy/issues](https://github.com/binwiederhier/ntfy/issues) | Bug reports and feature requests |
+
+!!! info "Why public channels?"
+    Answering questions in public channels benefits the entire community. Other users can learn from the 
+    discussion, and answers can be referenced later. This is much more scalable than 1-on-1 support.
+
+## Paid support (ntfy Pro subscribers)
+
+If you are subscribed to a [ntfy Pro](https://ntfy.sh/#pricing) plan, you are entitled to priority support 
+via the following channels:
+
+| Channel | Contact | Description |
+|---------|---------|-------------|
+| **Discord/Matrix** | Mention your Pro status | Priority responses in community channels |
+| **Email** | [support@mail.ntfy.sh](mailto:support@mail.ntfy.sh) | Direct email support for Pro subscribers |
+
+Please include your ntfy.sh username when contacting support so we can verify your subscription status.
+
+## Specific inquiries
+
+### Privacy inquiries
+
+For questions about our [privacy policy](privacy.md), data handling, or to exercise your data rights 
+(access, deletion, etc.):
+
+- **Email**: [privacy@mail.ntfy.sh](mailto:privacy@mail.ntfy.sh)
+
+### General inquiries
+
+For business inquiries, partnerships, press, or other general questions that don't fit the categories above:
+
+- **Email**: [contact@mail.ntfy.sh](mailto:contact@mail.ntfy.sh)
+
+### Security issues
+
+If you discover a security vulnerability, please report it responsibly:
+
+- **Email**: [security@mail.ntfy.sh](mailto:security@mail.ntfy.sh)
+
+See also: [SECURITY.md](https://github.com/binwiederhier/ntfy/blob/main/SECURITY.md)
+
+## Announcements
+
+Stay up to date with ntfy news and releases:
+
+- **ntfy topic**: Subscribe to [ntfy.sh/announcements](https://ntfy.sh/announcements) for release announcements
+- **GitHub Releases**: [github.com/binwiederhier/ntfy/releases](https://github.com/binwiederhier/ntfy/releases)
+- **iOS TestFlight**: [Join TestFlight](https://testflight.apple.com/join/P1fFnAm9) for iOS beta testing
+
+## Contributing
+
+Want to contribute to ntfy? See the [contributing page](contributing.md) for details on how to help with 
+code, translations, documentation, or donations.