feat: adds lesson_02 pre-work (#48)

Signed-off-by: Anthony D. Mays <[email protected]>

Author: anthonydmays

lesson_02/README.md

@@ -0,0 +1,11 @@
+# Lesson 02: Developer Workflow: Navigating the Terminal ([Slides](https://code-differently.github.io/code-differently-24-q4/slides/#/lesson_02))
+
+## Pre-work
+
+Please review the following resources before lecture:
+
+* [Absolute BEGINNER Guide to the Mac OS Terminal (Video)](https://www.youtube.com/watch?v=aKRYQsKR46I)
+
+## Homework
+
+TODO(anthonydmays): Provide homework details