Updates the docs to work with the website repo - mainly
relative link updates.
Adds a menu.yaml file to build the sidebar menu (no longer
using front matter weight).
* Update README.md
Capitalized the G and S in "Getting Started," and moved "guide" to match the section title in the docs.
* Fixed sentence structure. Changed "download" to "grafana.com/get" and changed "get" to "download".
* Docs: Replace "datasources" with "data sources" (#19111)
* Docs: Replace "datasources" with "data sources" (#19111)
* Docs: Replace "datasources" with "data sources" (#19111)
* Docs: Replace "datasources" with "data sources" (#19111)
* Docs: Replace "datasources" with "data sources" (#19111)
* Docs: Replace "datasources" with "data sources" (#19111)
* Docs: Replace "datasources" with "data sources" (#19111)
* Docs: Replace "datasources" with "data sources" (#19111)
* Docs: Replace "datasources" with "data sources" (#19111)
* Docs: Replace "datasources" with "data sources" (#19111)
* Docs: Replace "datasources" with "data sources" (#19111)
* Docs: Replace "datasources" with "data sources" (#19111)
* Fix: Upgrade hugo wip
* Chore: Rename index to _index for latest hugo
* Chore: Use relative refs, no starting slash
* Feat: Add possibility to mount layouts from grafana.org project
