How to collect all files into one?

Question

gulp.js

I've been fiddling with this tool for several days, worn out.
Resources:

res/
+img/
++favicon-16x16.png
++favicon-32x32.png
+index.pug
+index.js
+index.css

The index.cssgoogle fonts, normalize and skeleton fonts are included with the help @importfrom external CDNs, res/img/more files may be added to it.
How to download, compress and fit inline and base64 with Gulp or something else in one index.html file?

Answer 1

Well, https://www.npmjs.com/package/gulp-base64
And you can inline with a simple include https://pugjs.org/language/includes.html#including...