Fix GitHub Issue Form template (#16648)

.github/ISSUE_TEMPLATE/feedback.yml

@@ -2,8 +2,8 @@ name: Documentation feedback
 about: Provide feedback on a page on our website
 title: ""
 issue_body: true
-inputs:
-  - type: description
+body:
+  - type: markdown
     attributes:
       value: |
         Thanks for opening an issue to provide feedback on our website/documentation.
@@ -15,36 +15,37 @@ inputs:
   - type: textarea
     attributes:
       label: Feedback
-      required: true
       description: >-
         Please be sure to provide feedback as clear as possible. Describe what
         you think is incorrect or can be improved, and try to provide a
         suggestion on how you think it can be improved or fixed.
-  - type: description
+    validations:
+      required: true
+  - type: markdown
     attributes:
       value: |
         ## Details
   - type: input
     attributes:
       label: URL
-      required: true
       placeholder: "http://www.home-assistant.io/..."
       description: >
         A URL with a link to the page you are providing feedback for.
+    validations:
+      required: true
   - type: input
     attributes:
       label: Version
-      required: false
       placeholder: "e.g., 2021.2.0"
       description: >
         Current version of the documentation. This usually matches the Home
         Assistant Core release version, and can be found at the bottom of the
         page.
-  - type: description
+  - type: markdown
     attributes:
       value: |
         ## Additional information
-  - type: description
+  - type: markdown
     attributes:
       value: >
         If you have any additional information for us, use the field below.