chore: Add issue templates from reth

.github/ISSUE_TEMPLATE/docs.yml

@@ -0,0 +1,19 @@
+name: Documentation
+description: Suggest a change to our documentation
+labels: ["C-docs", "S-needs-triage"]
+body:
+  - type: markdown
+    attributes:
+      value: |
+        If you are unsure if the docs are relevant or needed, please open up a discussion first.
+  - type: textarea
+    attributes:
+      label: Describe the change
+      description: |
+        Please describe the documentation you want to change or add, and if it is for end-users or contributors.
+    validations:
+      required: true
+  - type: textarea
+    attributes:
+      label: Additional context
+      description: Add any other context to the feature (like screenshots, resources)