chore(dev): new discussions q-a template

Author: pront

.github/DISCUSSION_TEMPLATE/q-a.yml

@@ -0,0 +1,31 @@
+title: "Q&A"
+labels: [ q-a ]
+body:
+  - type: input
+    id: question
+    attributes:
+      label: Question
+      description: Question
+      placeholder:
+
+  - type: textarea
+    id: config
+    attributes:
+      label: Vector Config
+      description: Include the relevant section of your Vector configuration.
+      placeholder: |
+        ```
+        # your config
+        ...
+      render: yaml
+
+  - type: textarea
+    id: logs
+    attributes:
+      label: Vector Logs
+      description: Paste any relevant Vector logs or error messages.
+      placeholder: |
+        ```
+        Jul 10 14:32:02 vector[1234]: ERROR ...
+        ```
+      render: shell