Hard to find the Collage Guide if use the Collage separately

[leo07046219]

Collage‘s’ Programming and User Guide is in the Eyescal's.
https://github.com/Eyescale/EqDocs/raw/master/Developer/ProgrammingGuide/paper.pdf
Hard to find the Collage Guide if use the Collage separately.

Suggestion: add a link in the Collage's README.md