Angular + Grunt code fix

I had a person work on changing from gulp to Grunt in our website. There work didn't work and broke the site. I have reverted back to a working copy. I need someone to fix the grunt files and ensure the website works as intended. There is suposed to be a chart that displays on the page and it does not now.. all the files required are there. We think its a Angular / grunt issue. You will have to use a VPN to access our server. You should know how to work in a linux environment You should make a backup of any file you change in case something breaks