Update README.md

README.md

@@ -27,6 +27,17 @@ Get modified files using [`git diff --diff-filter`](https://git-scm.com/docs/git
           for file in "${{ steps.changed-files.outputs.added_files }}"; do
             echo $file
           done
+          
+      - name: Run step when a file changes in a PR relative to the default branch
+        if: contains(${{ steps.changed-files.outputs.modified_files }}, 'my-file.txt')
+        run: |
+            echo "Your file my-file.txt has been modified."
+
+      - name: Run step when a file is deleted in a PR relative to the default branch
+        if: contains(${{ steps.changed-files.outputs.deleted_files }}, 'test.txt')
+        run: |
+            echo "Your test.txt has been deleted."
+            
         
 ```