Update Labs in README.md for angular-course.
Add IN_PROGRESS.md.
Update IN_PROGRESS.md.
Add slides.html for angular-course.
fixup! Add slides.html for angular-course.
fixup! Add slides.html for angular-course.
fixup! Add slides.html for angular-course.
fixup! Add slides.html for angular-course.
fixup! Add slides.html for angular-course.
fixup! Add slides.html for angular-course.