chore: updated instructions to include formatting and checks

Signed-off-by: Anthony D. Mays <anthony@morganlatimer.com>

lesson_02/README.md

@@ -14,18 +14,22 @@ To complete this assignment, you must have **Docker** and **VS Code** with the [
 For this assignment, you will complete a quiz by modifying a Java application. Within the quiz project, there are tests that you will need to make pass in order to submit your answers. Here are the instructions for completing the assignment:
 
 1. Make sure to sync your fork to pull in the latest changes.
-1. Open the project in **VS Code** and make sure to select `Reopen in Container` when prompted.
-1. Open the [Lesson2.java][lesson-2-quiz] file located in the [quiz/lesson_02_quiz/src/main/java/com/codedifferently/lesson_02_quiz/][lesson-2-dir] directory.
-1. Update the code to provide the correct answers to the given questions.
-1. When ready to test, run the following command in the `quiz` sub-directory using the terminal:
-
+2. Open the project in **VS Code** and make sure to select `Reopen in Container` when prompted.
+3. Open the [Lesson2.java][lesson-2-quiz] file located in the [quiz/lesson_02_quiz/src/main/java/com/codedifferently/lesson_02_quiz/][lesson-2-dir] directory.
+4. Update the code to provide the correct answers to the given questions.
+5. This project uses a tool called [Spotless][spotless-link] to check that the code is formatted correctly. Once you are done with your changes, you can automatically fix formatting issues using the following command in the `quiz` sub-directory using the terminal:
+```bash
+./gradlew spotlessApply
+```
+6. When ready to test, run the following command in the `quiz` sub-directory using the terminal:
 ```bash
-./gradlew test
+./gradlew check
 ```
-6. Once all tests pass, submit your work by creating a pull request (PR).
+7. Once all tests pass, submit your work by creating a pull request (PR).
 
 
 [dev-containers-link]: https://marketplace.visualstudio.com/items?itemName=ms-vscode-remote.remote-containers
 [lesson-2-quiz]: quiz/lesson_02_quiz/src/main/java/com/codedifferently/lesson2/Lesson2.java
 [lesson-2-dir]: quiz/lesson_02_quiz/src/main/java/com/codedifferently/lesson2/
 [test-report]: quiz/lesson_02_quiz/build/reports/tests/test/index.html
+[spotless-link]: https://github.com/diffplug/spotless