docs: update issue templates (#5957)

* Update proposal.yaml

* docs: issue template improvement

* docs: issue template docs

* Update config.yml

* Update config.yml

.github/ISSUE_TEMPLATE/config.yml

@@ -1,10 +1,7 @@
 blank_issues_enabled: true
 contact_links:
-  - name: 🚀 Feature Request
-    url: https://github.com/zitadel/zitadel/discussions/categories/ideas
-    about: Tell us about your idea in the discussions
   - name: ❓ Questions
     url: https://github.com/zitadel/zitadel/discussions/categories/q-a
     about: Ask for help in our Q&A discussions
-  - name: 💬 ZITADEL Chat
+  - name: 💬 ZITADEL Community Chat
     url: https://zitadel.com/chat