(fix) Update .gitignore file
(documentation) Update README.md with proper development instructions
(documentation) Add ionic and cordova cli install commands
(enhancement) Fix README.md formatting
Merge branch 'documentation/updateSetup' of https://github.com/kayellpeee/closebuy into kayellpeee-documentation/updateSetup

Conflicts:
	app/www/modules/.DS_Store
Merge branch 'kayellpeee-documentation/updateSetup'