docs(readme): last but not least add EMPTY_COMMIT_MSG to readme

Author: tuunit

README.md

@@ -49,14 +49,15 @@ You can find an example [here](https://github.com/jamesgeorge007/jamesgeorge007/
 
 Use the following `input params` to customize it for your use case:-
 
-| Input Param    | Default Value                                         | Description                                               |
-| -------------- | ----------------------------------------------------- | --------------------------------------------------------- |
-| `GH_USERNAME`  | Your GitHub username                                  | Username for which to generate the activity overview      |
-| `COMMIT_NAME`  | github-actions[bot]                                   | Name of the committer                                     |
-| `COMMIT_EMAIL` | 41898282+github-actions[bot]@users.noreply.github.com | Email of the committer                                    |
-| `COMMIT_MSG`   | :zap: Update README with the recent activity          | Commit message used while committing to the repo          |
-| `MAX_LINES`    | 5                                                     | The maximum number of lines populated in your readme file |
-| `TARGET_FILE`  | README.md                                             | The file to insert recent activity into                   |
+| Input Param        | Default Value                                                            | Description                                               |
+| ------------------ | ------------------------------------------------------------------------ | --------------------------------------------------------- |
+| `GH_USERNAME`      | Your GitHub username                                                     | Username for which to generate the activity overview      |
+| `COMMIT_NAME`      | github-actions[bot]                                                      | Name of the committer                                     |
+| `COMMIT_EMAIL`     | 41898282+github-actions[bot]@users.noreply.github.com                    | Email of the committer                                    |
+| `COMMIT_MSG`       | :zap: Update README with the recent activity                             | Commit message used while committing to the repo          |
+| `EMPTY_COMMIT_MSG` | :memo: empty commit to keep workflow active after 60 days of no activity | Commit message used when there are no updates             |
+| `MAX_LINES`        | 5                                                                        | The maximum number of lines populated in your readme file |
+| `TARGET_FILE`      | README.md                                                                | The file to insert recent activity into                   |
 
 ```yml
 name: Update README