Fix: keep WP.org short description under 150 chars (#89)

README の Short Description ゾーン(ヘッダー〜最初のセクション)に入っていた
Live demo 段落を ## Description 内へ移動。短い説明をタグライン1行(66字)に戻し、
WordPress.org のインポート警告(150字超で切り詰め)を解消する。

Closes #88

Co-authored-by: Claude <noreply@anthropic.com>

Author: fumikito

README.md

@@ -9,10 +9,10 @@ License URI: https://www.gnu.org/licenses/gpl-3.0.html
 
 AI powered FAQ and Help Document Management Plugin for WordPress. 
 
-**Live demo:** https://demo.kunoichiwp.com/pubplafaq/ — Try the AI Overview on the front page. The demo is in Japanese, built around a fictional anti-aging subscription "Jovian", but you can still get a feel for how the AI answers real questions from your FAQ content (and admits when something isn't covered).
-
 ## Description
 
+**Live demo:** https://demo.kunoichiwp.com/pubplafaq/ — Try the AI Overview on the front page. The demo is in Japanese, built around a fictional anti-aging subscription "Jovian", but you can still get a feel for how the AI answers real questions from your FAQ content (and admits when something isn't covered).
+
 This plugin add new custom post type 'FAQ'. With some functionality, you can build help center for your user.
 What is help center? We collect examples at our [github wiki](https://github.com/tarosky/hamelp/wiki).