Discussion template tweaks

Author: michaelklishin

.github/DISCUSSION_TEMPLATE/other.yml

@@ -6,7 +6,7 @@ body:
         ## Before We Start
 
         This category exists for free form questions where deployment details are less relevant, e.g. application and topology
-        advice kind of questions. Please provide a reasonably detailed description of how you use RabbitMQ.
+        design kind of questions. Please provide a reasonably detailed description of what you are trying to do with RabbitMQ.
   - type: checkboxes
     attributes:
       label: Community Support Policy

.github/DISCUSSION_TEMPLATE/questions.yml

@@ -200,3 +200,10 @@ body:
         </details>
     validations:
       required: false
+  - type: textarea
+    id: question
+    attributes:
+      label: What problem are you trying to solve?
+      description: and why?
+    validations:
+      required: true