templates: Promote new triage discussion category

Also fix link to support category, tweak link to manual, and
try harder to grab the reader's attention, using hand signals.

Author: tarsius

.github/ISSUE_TEMPLATE/config.yml

@@ -1,20 +1,23 @@
 blank_issues_enabled: false
 contact_links:
+  - name: "⁉️ Unsure if this is a bug, suggestion or support request 👉 please open a discussion 👈"
+    url: https://github.com/magit/forge/discussions/categories/triage
+    about: Start a discussion without having to specify its kind upfront.
   - name: "💕 Please support my work on Forge and other Emacs projects"
     url: https://github.com/sponsors/tarsius
     about: Thanks! Any support helps. These donations from users are my only income.
-  - name: "💡 Suggest a feature ☛ please open a discussion instead of an issue"
+  - name: "💡 Suggest a feature 👉 please open a discussion instead of an issue 👈"
     url: https://github.com/magit/forge/discussions/categories/ideas
     about: Start a discussion suggesting an improvement or a new feature.
   - name: "🆘 Ask the community for support"
     url: https://www.reddit.com/r/emacs
     about: Please also consider supporting others.
-  - name: "🆘 Ask the maintainers for support ☛ please open a discussion"
-    url: https://github.com/magit/forge/discussions/categories/q-a
+  - name: "🆘 Ask the maintainers for support 👉 please open a discussion 👈"
+    url: https://github.com/magit/forge/discussions/categories/support
     about: Please keep in mind that our bandwidth is limited.
   - name: "ℹ️ Forge FAQ"
     url: https://docs.magit.vc/forge/FAQ.html
     about: Others might have had the same question before.
   - name: "ℹ️ Forge Manual"
-    url: https://docs.magit.vc/forge/#Top
+    url: https://docs.magit.vc/forge
     about: The fine manual may also be of use.