「この機能が解決すべき具体的な問題またはニーズ、および誰がそれに役立つと考えているかを説明してください。」という旨の項目を追加 (#12253)

Co-authored-by: osamu <46447427+sam-osamu@users.noreply.github.com>

.github/ISSUE_TEMPLATE/02_feature-request.yml

@@ -9,3 +9,9 @@ body:
       description: Tell us what the suggestion is
     validations:
       required: true
+  - type: textarea
+    attributes:
+      label: Purpose
+      description: Describe the specific problem or need you think this feature will solve, and who it will help.
+    validations:
+      required: true