* Format md,mdx files with prettier on lint-staged * Manually run prettier on docs/sources
* moved files * single sourcing * Update _index.md * Update heatmap.md * Update _index.md * Update _index.md * Fixed 7 broken relrefs * Fixed one more broken relref. Co-authored-by: achatterjee-grafana <aparajita.chatterjee@grafana.com>