github: make the feedback issue form a yaml file

.github/ISSUE_TEMPLATE/feedback.yml

@@ -0,0 +1,47 @@
+name: Feedback on the documentation
+about: Share what we need to explain better
+description: Share what we need to explain better
+url: https://github.com/ueberdosis/tiptap/issues/new
+title: ''
+labels:
+  - documentation
+assignees:
+  - hanspagel
+body:
+  - type: markdown
+    attributes:
+      value: |
+        Thanks for taking the time to send us feedback!
+  - type: input
+    id: url
+    attributes:
+      label: The URL of the page
+      placeholder: https://tiptap.dev/example
+    validations:
+      required: false
+  - type: textarea
+    id: part-of-the-documentation
+    attributes:
+      label: Part of the documentation?
+      placeholder: "I’ve read the following page of the documentation …"
+    validations:
+      required: true
+  - type: textarea
+    id: good-parts
+    attributes:
+      label: Really helpful parts
+      placeholder: "I think this part is really good: …"
+    validations:
+      required: true
+  - type: textarea
+    id: bad-parts
+    attributes:
+      label: Hard to understand, missing or misleading
+      placeholder: "But you really need to improve …"
+    validations:
+      required: true
+  - type: textarea
+    id: context
+    attributes:
+      label: Additional context (optional)
+      placeholder: "Add any other context or screenshots here."