Add issue templates

.github/ISSUE_TEMPLATE/bug.yml

@@ -0,0 +1,3 @@
+name: Bug report
+description: If something is definitely wrong in the bridge (rather than just a setup issue), file a bug report. Remember to include relevant logs.
+labels: [bug]

.github/ISSUE_TEMPLATE/config.yml

@@ -0,0 +1,7 @@
+contact_links:
+  - name: Troubleshooting docs & FAQ
+    url: https://docs.mau.fi/bridges/general/troubleshooting.html
+    about: Check this first if you're having problems setting up the bridge.
+  - name: Support room
+    url: https://matrix.to/#/#whatsapp:maunium.net
+    about: For setup issues not answered by the troubleshooting docs, ask in the Matrix room.

.github/ISSUE_TEMPLATE/enhancement.yml

@@ -0,0 +1,3 @@
+name: Enhancement request
+description: Submit a feature request or other suggestion
+labels: [enhancement]