add folder to git ignore code example

Example 1: how to use gitignore to ignore a folder

You can ignore entire directories, just by including their paths and putting a / on the end:

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node_modules/
logs/

Example 2: how to put files into gitignore

$ echo debug.log >> .gitignore
$ git rm --cached debug.log
rm 'debug.log'
$ git commit -m "Start ignoring debug.log"

Example 3: gitignore folder

in .gitignore:
	folder/

Example 4: git exclude folder

directory_to_exclude/

Example 5: git remove file from gitignore

git rm --cached 

Example 6: git ignore content of a folder

# exclude everything
somefolder/*

# exception to the rule
!somefolder/.gitkeep