Publish on addons.mozilla.org (AMO) for Firefox
On your homepage you still say:
As Big Tech Detective is not on the Firefox store (yet), installing it requires "sideloading" it into Firefox.
I see nothing what prevents this add-on from getting there (except possible small code fixes or so you may need to do if not done already, like never using eval and never using minified JS), so what is the current progress on that?