Added check for new lines at the end of files in GitHub Actions

.github/workflows/cmake.yml

@@ -27,6 +27,11 @@ jobs:
           fetch-depth: 0
           fetch-tags: true
 
+      - name: Check for new lines at the end of files
+        # https://medium.com/@alexey.inkin/how-to-force-newline-at-end-of-files-and-why-you-should-do-it-fdf76d1d090e
+        working-directory: ${{github.workspace}}/src
+        run: find . -type f -not -path "./.git/*" | xargs -L1 bash -c 'test $(tail -c1 "$0") && echo "No newline at end of $0"'
+
       - name: Check formatting with git diff --check
         working-directory: ${{github.workspace}}/src
         run: git diff --check --color HEAD~