Fix the handout link in lesson1 slides.
add setup github upstream section to lesson 2.
Set a more realistic scope for the first class, add homework
Reading is good!
Carried over excess content from class 1 into class 2. Cut out the travel blog lab.
Moved the In Class Labs associated with the first lesson to lesson 2
Add some reference links on lesson2
add hyperlink and img tags in lesson2.
prepare and add labs for lesson3.