run extra http server with SEO analyser

[mipmip]

• [ ] make UI of previewer website for browser with sidebar
• [x] setup react + mui for sidebar
• [x] tab based menu sidebar (panels)
• [ ] run extra hugo or inject page

panels

• [x] social preview panel
• [ ] plain html tags recommendations
• [ ] keywords seo analysis (density)
• [x] title stuff
• [ ] headline structure