Instance owner guildlines

docs/contributing/instances.md

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+# For Instance Owners
+
+The below are the rules for instance owners who look to be featured in our [community instances](https://github.com/spacebarchat/community-instances) list.
+If you do not meet these criteria, your instance will simply not be featured on our website.
+
+Your instance:
+
+1. Rules must be in line with our [Code of Conduct](conduct.md).
+2. Must not contain any Discord Inc. branding, such as including "cord" in the name or the Discord logo in promotional material.
+3. Must not host the Discord Inc. client in any capacity.
+4. Must be moderated for *at least* publically accessible guilds. This includes guilds accessible from Discovery or a 'guild directory' channel in an auto join guild.
+5. Must have at least regular uptime, meaning it is available at a consistent time of day.
+6. Must have a valid and monitored [`general_correspondenceEmail` config](/setup/server/configuration) set.
+7. The default [rights](/setup/server/security/rights) does not include operator or other administrative rights.
+8. Enable [Imagor](/setup/server/configuration/imagor), as no image proxy allows attackers to learn user IP addresses.
+
+We recommend (not required) that you:
+
+- Enable [Email verification](/setup/server/email), for anti-spam purposes
+- Enable [Captcha](/setup/server/security/captcha), for anti-spam purposes
+- Run your instance under [SystemD](/setup/server/systemd) or a similar system in your distro, for automatic restarting
+- Provide some mechanism for users to report content. This may be as simple as more openly advertising your correspondence email (i.e. outside `GET /api/policies/instance/domains`)
+- Provide some mechanism for instance status, such as [Grafana](https://grafana.com/).