Add Week 12 Day 5 roundtable (#760)

* Add Week 12 Day 5 roundtable

* Add question about useEffect hook

Co-Authored-By: Chris M <chris@adadevelopersacademy.org>

* Add questions about the effect hook and snapshot testing

* reword question

Co-authored-by: Chris M <chris@adadevelopersacademy.org>

roundtables/week12/day-5-inspiration-board-luhn.md

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+# Inspiration Board and Exercism: Luhn
+
+Today we are going to be discussing the Inspiration Board project and the Luhn Exercism in a round table fashion. For this discussion, think of your instructor as a mediator and guide, rather than as a lecturer.
+
+For this activity, you are encouraged to do the following:
+
+* Whenever possible, you should use voice.
+* You should pose questions to the group, not the instructor.
+* Similarly, you are encouraged to answer questions, with the instructor available to correct misconceptions and provide answers when no one else has an answer.
+* Say something, even if you think you might be wrong! (Nobody throws a frisbee well on their first try)
+* When discussing code, you are encouraged to use VS Code Liveshare, and or screen sharing through zoom.
+* Take notes!
+
+## Materials
+[Inspiration Board](https://github.com/Ada-C13/inspiration-board)
+
+[Exercism (JavaScript Track)](https://exercism.io/my/tracks/javascript)
+
+## Prompts
+You are encouraged to copy these questions into a document and take notes during the discussion.
+
+### Inspiration Board
+1. What are all the components in this project? How do the components relate to each other? 
+  * Which components contain which other components?
+  * Which components are "siblings" of each other?
+1. What props should Board take?
+1. What props should Card take?
+1. What props should NewCardForm take?
+1. Will there be a component that you need to use an effect hook for? If so which one(s) and why do we need to use it?
+1. Do you have any questions about snapshot testing? 
+  * Any additional questions about user interaction testing?
+
+### Exercism: Luhn
+What questions did you have from completing the Luhn exercise? Was there anything particularly challenging? 
+    * Let's view 2 different implementations! Volunteers?