feat(main): Add base theme: This is the falcon theme out of the box.

This is falcon v3.1.2

assets/js/ad31706d90461f92483e.js

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+"use strict";(()=>{(self.webpackChunkFalcon_theme=self.webpackChunkFalcon_theme||[]).push([[277],{2277:(c,e,u)=>{u.r(e)}}]);})();