Update default.md

.github/ISSUE_TEMPLATE/default.md

@@ -1,11 +1,15 @@
----
-name: Default
-about: Describe this issue template's purpose here.
-title: ''
-labels: ''
-assignees: ''
-
----
-
-<!-- place a 'X' between the brackets below -->
-* [ ] I agree
+name: Default template
+about: The default template for all issues
+body:
+  - type: markdown
+    attributes:
+      value: |
+        Hi
+  - type: checkboxes
+    id: agreement
+    attributes:
+      label: Label
+      description: abc
+      options:
+        - label: Orange cat
+          required: true