CB: Issue template, clarify use of the repo

Author: fnetX

.github/issue_template.md

@@ -1,38 +1,20 @@
-<!-- NOTE: If your issue is a security concern, please send an email to [email protected] instead of opening a public issue -->
-
-<!--
-    1. Please speak English, this is the language all maintainers can speak and write.
-    2. Please ask questions or configuration/deploy problems on our Discord
-       server (https://discord.gg/gitea) or forum (https://discourse.gitea.io).
-    3. Please take a moment to check that your issue doesn't already exist.
-    4. Make sure it's not mentioned in the FAQ (https://docs.gitea.io/en-us/faq)
-    5. Please give all relevant information below for bug reports, because
-       incomplete details will be handled as an invalid report.
+<!-- NOTE: If your issue is a security concern, please send an email to [email protected] and (!) [email protected] instead of opening a public issue -->
+
+<!-- Codeberg contributions: Please read this!
+Thank you for opening an issue. If you want to report a regular bug or open a feature request, please either use the Codeberg Community Issue tracker at https://codeberg.org/Codeberg/Community/issues or directly report to upstream instead. Please also search for duplicates in these places.
+
+Please only use this bug tracker for the small amount of bugs that are directly related to our fork or to ask questions on how to contribute to Codeberg (we'll gladly answer your questions here). For the majority of reports and feature requests, the community issue tracker is the better place - it's monitored by more users and has got more structure.
+
+Thank you.
 -->
 
-- Gitea version (or commit ref):
 - Git version:
 - Operating system:
-  <!-- Please include information on whether you built gitea yourself, used one of our downloads or are using some other package -->
-  <!-- Please also tell us how you are running gitea, e.g. if it is being run from docker, a command-line, systemd etc. --->
-  <!-- If you are using a package or systemd tell us what distribution you are using -->
-- Database (use `[x]`):
-  - [ ] PostgreSQL
-  - [ ] MySQL
-  - [ ] MSSQL
-  - [ ] SQLite
 - Can you reproduce the bug at https://try.gitea.io:
   - [ ] Yes (provide example URL)
   - [ ] No
-- Log gist:
-<!-- It really is important to provide pertinent logs -->
-<!-- Please read https://docs.gitea.io/en-us/logging-configuration/#debugging-problems -->
-<!-- In addition, if your problem relates to git commands set `RUN_MODE=dev` at the top of app.ini -->
 
 ## Description
-<!-- If using a proxy or a CDN (e.g. CloudFlare) in front of gitea, please
-     disable the proxy/CDN fully and connect to gitea directly to confirm
-     the issue still persists without those services. -->
 
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