Update README.md

Author: jan-so7o

README.md

@@ -7,6 +7,13 @@ https://itme.jansolo.dev
 - Git
 - [Sapper](https://github.com/sveltejs/sapper)
 - Markdown Blog posts for Sapper by [joshnuss](https://github.com/joshnuss/sapper-template) - https://dev.to/joshnuss/create-a-blog-with-markdown-sapper-50ad
-- Github Pages / github.io
 - Travis-CI (see .travis.yml)
+- [Github Pages](https://pages.github.com/) / github.io 
+
+    - master branch is [jan-so7o.github.io](https://help.github.com/articles/setting-up-a-custom-domain-with-github-pages/) / https://itme.jansolo.dev
+
+## How does it work?
+
+- On branch *dev* updates, Travis-CI runs `$> npm run export_` and set the ___sapper__/export_ as the *master* branch
+- all _/posts/*.md_ files translates to  https://itme.jansolo.dev/posts/file-name