docs: add examples of live prs

Author: jef

.github/workflows/ci.yaml

@@ -20,7 +20,7 @@ jobs:
       - name: Setup build cache
         uses: actions/cache@v2
         with:
-          path: ~/.npm
+          path: '**/node_modules'
           key: ${{ runner.os }}-node-${{ hashFiles('**/package-lock.json') }}
           restore-keys: ${{ runner.os }}-node-
       - name: Install dependencies

README.md

@@ -6,6 +6,11 @@ Also has the ability to post a comment in the pull request conversation with exa
 
 ![image](https://user-images.githubusercontent.com/12074633/108867820-91325700-75c3-11eb-8820-4b55abe01c35.png)
 
+Live examples:
+
+- [With pull request comment](https://github.com/jef/conventional-commits-pr-action/pull/5)
+- [Without pull request comment](https://github.com/jef/conventional-commits-pr-action/pull/4)
+
 ## Usage
 
 ```yaml