GitLab

* Reorganize documentation references

* Fix R-package link name

* fixed links while viewing from wiki page

* fixed typos

* fixed repeated word and added markdown in FAQ.md

* fixed link to VS

* docs: add Advanced-Topic TOC

* docs: add title header to Advanced-Topic.md

* docs: convert development.md to development.rst

`pandoc --columns=200 -f markdown_github -t rst -o development.rst development.md`

* docs: update index.rst