Update workflows and documentation, remove CDN links, and optimize loading resources directly from GitHub content.

.github/workflows/main.yml

@@ -136,15 +136,4 @@ jobs:
           # 将更改强制推送到main分支
           git add .
           git commit -m "Update from GitHub Actions" || true
-          git push origin main --force
-
-      - name: Purge JSdelivr Cache
-        run: |
-          # 清理JSdelivr缓存
-          for i in {1..50}; do
-            url="https://purge.jsdelivr.net/gh/NianBroken/ZFCheckScores/img/$i.png"
-            echo "Accessing: $url"
-            response=$(curl -s -X GET "$url")
-            echo "$response"
-            echo "------"
-          done
+          git push origin main --force