How to deploy github spfx sharepoint web part from scratch.

Question

I a sharepoint admin but total newbie when it comes to programing and or SPFX. I want to deploy this https://github.com/SharePoint/sp-dev-solutions/tree/master/solutions/ModernSearch/react-search-refiners to my sharepoint online tentant. I cannot figure out how to do this from scratch. Any help would be greatly appreacited.