code review

README.md

@@ -155,6 +155,7 @@ Only a single milestone can be specified. If the milestone does not exist, it wi
 - Kotlin
 - Less
 - Liquid
+- Lua
 - Makefile
 - Markdown
 - Nix
@@ -235,9 +236,13 @@ jobs:
           git config --global user.email "github-actions[bot]@users.noreply.github.com"
       - name: Commit and Push Changes
         run: |
-          git add .
-          git commit -m "Automatically added GitHub issue links to TODOs"
-          git push origin main
+          git add -A
+          if [[ `git status --porcelain` ]]; then
+            git commit -m "Automatically added GitHub issue links to TODOs"
+            git push origin main
+          else
+            echo "No changes to commit"
+          fi
 ```
 
 You will probably also want to use the setting `CLOSE_ISSUES: "true"`, to allow issues to be closed when a TODO is