Copy edit lab 8

[adeet1]

Modifications:

• Overall, I've changed the instructions for lab 8 from prose (paragraph format) to more of a bullet-point type of format.
  • I feel this will be more concise, and easier to follow.
• I condensed the Platform Architectures section, and split it into two subsections: one for Linux users and one for macOS users.
• I condensed the instructions for compiling and linking C++ code with assembly code.
• Other small rearrangements

Additions:

• An example test run for mathfun.cpp for the pre-lab
• An example report format (demonstrating numbered items) for the post-lab

[50Wliu]

Thanks for doing this :)

[50Wliu]

Oh, also, there may be significant changes to Labs 8 & 9 to accommodate the new online schedule.