What is markdown file?
Put drawings and ascii art inside README
Find a way to elegantlly link git wiki and git README.md and xpub mediawiki
Be explicit about What are the things ppl can change and what are the things ppl cannot change (venv venv) screenshot
$ signs are not supposed to be pasted in your code => explain how thngs are written conventionally(?)
Write something to encourage ppl to go through.
write down what debug does
wiki page about git
investigate What exactly .DS_Store is?! 공식 위키피디아에 연결할 수  있는 것들은 연결하기.