Update issue templates (#1076)

* Update issue templates

* Update custom.md

.github/ISSUE_TEMPLATE/custom.md

@@ -0,0 +1,24 @@
+---
+name: Custom issue template
+about: Describe this issue template's purpose here.
+title: "[DOCS]"
+labels: documentation
+assignees: ''
+
+---
+
+## Documentation Page
+<!-- Provide a link to the documentation page that needs improvement -->
+
+## Description
+<!-- Describe what needs to be changed or improved in the documentation -->
+
+## Suggested Changes
+<!-- If possible, provide specific suggestions for how to improve the documentation -->
+
+## Additional Context
+<!-- Add any other context about the documentation issue here -->
+
+## Checklist
+- [ ] I have searched the existing issues to make sure this is not a duplicate
+- [ ] I have checked the latest version of the documentation to ensure this hasn't been addressed