Live Session Doc, Development

1. We're taking in documents from /instructor_central/live_session/ and moving them to /live-session/ which is changing format, and presentation style.
2. Weeks are defined by a. A distinct file, that is numbered. b. A top-level heading, #
3. Concepts or tasks within the weeks are defined by a. A second-level heading, ##
4. All images should be hosted internally, in the /images/ folder, which is shared between all weeks.

Process to knit this:

1. Make modifications to files that are in 1-*.Rmd through 14-*.Rmd. Then;
2. Issue: bookdown::render_book(input = "./index.Rmd", output_format = "bookdown::pdf_book", clean = TRUE)