Add files via upload

[Stefan-Stojanovic]

add multi-course topic and learning-tips-and-tricks as the first workout.

My proposition is to have a multi-course-topic folder where we can enkify small courses/topics and place them here where the order should not matter and any type of content that doesn't fit anywhere else can go

[enki-hq]

Insight

Insight Name	Error Message
introduction-to-learning	Road to success pointing to https://www.reddit.com/r/GetMotivated/comments/5n31ok/image_what_the_road_to_success_really_looks_like/ is broken because HTTP_503

Changelog

File Name	Error Message
Pull Request	Couldn't find a CHANGELOG entry for this pull request.

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