Update README.md

Author: shenxianpeng

README.md

@@ -1,18 +1,30 @@
+# cpp-linter-action
+
 Github Actions for linting the C/C++ code. Uses clang-tidy, clang-format, and cppcheck.
 
-Example of usage:
+## Integration with GitHub Actions
+
+For example, create a `.yml` file like `.github/workflows/cpp-linter.yml`.
 
 ```
-name: c-linter
+name: cpp-linter
 
 on: [pull_request]
 jobs:
-  c-linter:
-    name: c-linter
+  cpp-linter:
+    name: cpp-linter
     runs-on: ubuntu-latest
     steps:
-      - name: c-linter
+      - name: cpp-linter
         uses: shenxianpeng/cpp-linter-action@master
     env:
         GITHUB_TOKEN: ${{ secrets.GITHUB_TOKEN }}
 ```
+## Results of GitHub Actions
+
+This one has a test repository: [cpp-linter-action-demo](https://github.com/shenxianpeng/cpp-linter-action-demo)
+
+You can feel free to commit C/C++ code and then see the actual results via Pull Request. such as this PR [#3](https://github.com/shenxianpeng/cpp-linter-action-demo/pull/3)
+
+![github-actions bot](https://github.com/shenxianpeng/cpp-linter-action-demo/blob/master/img/result.png?raw=true)
+