Adding JS libraries to Ionic 2 project


#1

I want to add sw-toolbox library in ionic 2 project. I tried adding in index.html file inside the src folder
How i added the file :

But it gives the error - Failed to load the resource: server returned with status of 404 not found

My path is 100% correct

What am i doing wrong ?
My project repo - https://github.com/mbj36/githubIonic