chore: update issue templates and workflows for improved labeling and formatting (#4501)

.github/ISSUE_TEMPLATE/documentation_issue.yml

@@ -1,23 +1,23 @@
 name: Documentation Issue
 description: Report an issue or suggest an improvement to the mem0 docs
 labels: ["documentation"]
-title: "DOC: "
 
 body:
   - type: textarea
     id: description
     attributes:
-      label: Issue with current documentation
-      description: |
-        Describe what's wrong or missing. Please link to the specific page or section.
-      placeholder: "https://docs.mem0.ai/... — this section is missing X / incorrect about Y"
+      label: Description
+      value: |
+        ### Page
+
+        Link to the docs page: https://docs.mem0.ai/...
+
+        ### What's Wrong or Missing
+
+        Describe what's incorrect, unclear, or missing.
+
+        ### Suggested Fix
+
+        How should the docs be improved?
     validations:
       required: true
-
-  - type: textarea
-    id: suggestion
-    attributes:
-      label: Suggested fix
-      description: How should the docs be improved?
-    validations:
-      required: false