Update gitlab issue templates

.gitlab/issue_templates/Feature-Request.md

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+<!--
+- Please read Roadmap on the GitLab wiki before asking for a feature request!
+- Please search existing proposals to avoid creating duplicates. Some requests may also have been suggested on our Telegram channel, check it out: https://t.me/s/aurorabugsandsuggestions
+- Provide a general summary of the issue in the Title above.
+- If you did not know already, everything between "<!---" & "~->" are comments in Markdown. These will not be visible unless when editing or viewed as raw file.
+-->
+
+## Description
+<!--
+- Describe your idea as detailed as possible.
+- If you have multiple ideas which are not directly connected to each other, 
+file an issue per idea. This makes it easy to implement one feature proposal at a time.
+-->
+
+## Examples
+<!-- If you have any examples, e.g. screenshots/videos/designs of the feature you proposed, paste or link them here. -->
+
+
+## Additional context
+<!-- If you have more info to add, write it in this section, otherwise delete the subtitle and this comment.-->