git init - in the current director of the .git subdirectory, there will be all repository files in the list.
git add -A - get to the project all the files of the tree, so that they could
git commit -m 'Your message' - write messages to the repository on your message message
git push - local files are shared with repositories, for example, GitHub
touch index.js - make a file
mkdir chat - make a folder
git rm -r --cached chat / node_modules - not necessarily visible files