cleanup from hacktoberfest [WIP] (#9177)

* sololearn tutorials from #7188

* alphabetize

* add webpack course from #8031

* add a course from #8853

seems to cause linter failure? adding here to double check

* was worth a try

* update a title (from #7651)

* move learnxiny to books

as suggested in #7687

* add arduino course from #7765

* add resource from #7825

* Big Data resources from #7939

* move youtube courses from books-id to courses-id

* normalizing riptutorial attribution

books/free-programming-books-subjects.md

@@ -306,6 +306,7 @@ Books that cover a specific programming language can be found in the  [BY PROGRA
 * [Graphics Programming Black Book](http://www.gamedev.net/page/resources/_/technical/graphics-programming-and-theory/graphics-programming-black-book-r1698) - Michael Abrash
 * [Introduction to Modern OpenGL](https://open.gl) - Alexander Overvoorde (HTML, EPUB, PDF) (C++)
 * [Introduction to TouchDesigner 099](https://leanpub.com/introductiontotouchdesigner/) *(Leanpub account or valid email requested)*
+* [JPEG - Idea and Practice](https://en.wikibooks.org/wiki/JPEG_-_Idea_and_Practice)
 * [Learn Computer Graphics From Scratch!](https://www.scratchapixel.com) - Scratchapixel (:construction: *in process*)
 * [Learn OpenGL](http://learnopengl.com) - Joey de Vries
 * [Learn OpenGL RS](https://github.com/bwasty/learn-opengl-rs) - Benjamin Wasty, et al. (:construction: *in process*) (Rust)