Lecture 9 - New lecture added to 'Scenarios for Testing' vào 'Kịch bản để kiểm thử'
Additional Lecture: [Special Lecture] Background Knowledge - Understanding Test Code
Reason: Before designing the harness with a focus on TDD, it seemed important to have a basic understanding of what 'test code' is. I added this for those who have no prior experience with test code.
Lesson 8 - Lecture Materials Updated
In Lecture 8, the 'feature-planning-workflow.md' file was required but missing, so the 'upload is now complete'