Merge pull request #28 Resolve #27

#27 해결
+ Secret 세팅 완료

Author: ehddnr301

.github/workflows/pr-notification.yml

@@ -0,0 +1,38 @@
+name: Notify Telegram on PR Events
+
+on:
+  pull_request:
+    types: [opened, closed]
+
+jobs:
+  notify:
+    runs-on: ubuntu-latest
+    steps:
+      - name: Send Telegram Message on PR Open
+        if: github.event_name == 'pull_request' && github.event.action == 'opened'
+        env:
+          TELEGRAM_BOT_TOKEN: ${{ secrets.TELEGRAM_BOT_TOKEN }}
+          TELEGRAM_CHAT_ID: ${{ secrets.TELEGRAM_CHAT_ID }}
+          PR_TITLE: ${{ github.event.pull_request.title }}
+          PR_URL: ${{ github.event.pull_request.html_url }}
+          PR_AUTHOR: ${{ github.event.pull_request.user.login }}
+        run: |
+          MESSAGE="📢 새로운 PR 등록!%0A%0A제목: $PR_TITLE%0A작성자: $PR_AUTHOR%0A링크: $PR_URL"
+          curl -s -X POST "https://api.telegram.org/bot$TELEGRAM_BOT_TOKEN/sendMessage" \
+          -d chat_id="$TELEGRAM_CHAT_ID" \
+          -d text="$MESSAGE"
+
+      - name: Send Telegram Message on PR Approved
+        if: github.event_name == 'pull_request' && github.event.action == 'closed' && github.event.pull_request.merged
+        env:
+          TELEGRAM_BOT_TOKEN: ${{ secrets.TELEGRAM_BOT_TOKEN }}
+          TELEGRAM_CHAT_ID: ${{ secrets.TELEGRAM_CHAT_ID }}
+          PR_TITLE: ${{ github.event.pull_request.title }}
+          PR_URL: ${{ github.event.pull_request.html_url }}
+          PR_AUTHOR: ${{ github.event.pull_request.user.login }}
+          REVIEWER: ${{ github.event.review.user.login }}
+        run: |
+          MESSAGE="✅ PR이 병합되었습니다! %0A%0A제목: $PR_TITLE%0A작성자: $PR_AUTHOR%0A리뷰어: $REVIEWER%0A링크: $PR_URL"
+          curl -s -X POST "https://api.telegram.org/bot$TELEGRAM_BOT_TOKEN/sendMessage" \
+          -d chat_id="$TELEGRAM_CHAT_ID" \
+          -d text="$MESSAGE"