Updated index to have just one h1, better SEO
replaced slothtime with serika_dark
Added meta tags and schema for SEO
Optimized script and theme loading
Removed duplicate IDs for SEO
Added a filter search box and function for themes
Display themes with a space instead of _
Switched from substr to splice
Prevent null rows from being saved and if they are, reset row to default
New script erp_app_utils.js for common utilities like themes
New script erp_app_starttheme.js for faster theme loading
Updated setupModal to use better selectors and consts
Added about page
Removed theme colors from er_app_styles.css, they are only in themes now
Added info and homepage icons to title bar
Removed brightness for fab button states, all buttons are consistent
