Init documentation issue template (#4411)

.github/ISSUE_TEMPLATE/documentation.yml

@@ -0,0 +1,21 @@
+name: Documentation
+description: Correction, suggestion, anything related to Web3.js' documentation
+labels: ["Documentation"]
+body:
+  - type: checkboxes
+    attributes:
+      label: Is there an existing issue for this?
+      description: Please search to see if an issue already exists for this
+      options:
+        - label: I have searched the existing issues
+          required: true
+  - type: textarea
+    attributes:
+      label: What would you like to say about Web3.js' documentation?
+      description: Missing/wrong information? Dead/incorrect links? Feedback?
+    validations:
+      required: true
+  - type: textarea
+    attributes:
+      label: Examples/References
+      description: Do you have any examples or references regarding this?