* moved config-options.md to self-hosted
* added non-docs files that link to config-options
* moved SSO and fixed links
* moved upgrades-migrations into self-hosted
* moved filter-rules into reference docs and fixed broken links
* added package-lock.json into gitignore
* added filters.md draft doc
* added header intro and section headers
* full outline and 60% of copy
* more fitlers doc copy
* copy 95% complete
* Filters doc as good as done
* small copy tweaks
* Decrease size of dividers in nav, add section with filters
* fixed dynamic var vid
* fixed filter-rules type-o
Co-authored-by: Eron Powell <eronpowell@Erons-MBP-2.local>
Co-authored-by: rijkvanzanten <rijkvanzanten@me.com>
