The library itself is made up of two parts, a CSS file, and a JavaScript file. I was able to paste the contents of the CSS file into an existing one, and the JavaScript directly on the blog pages. It's a hack and a workaround, but it works.
The languages I chose to import were: C-Like, HTML, CSS, JS, PHP, C++, C# and GLSL. Unfortunately, they did not have options for HLSL and OpenCL Kernels, so for those I am using the C-Like configuration.
Here is a link to where you can find the library: https://prismjs.com/