closes#1954
this PR add cache busting to `/static`
additionally i combined `lnbits/core/static` with `lnbits/static`, it was not necessary and added a lot of duplicate code for cache busting. now you have to include all static files inside the html files with `{{ static_url_for("static", "app.css" ) }}`
Co-authored-by: Vlad Stan <stan.v.vlad@gmail.com>
Co-authored-by: Pavol Rusnak <pavol@rusnak.io>
* add QR_LOGO variable
* add logo to images folder
* css for overlaying logo on qr
* qr url on settings
* add qr url to global env
* add QR url input on theme tab in adminUI
* new component added
* use svg
* remove white border around logo in the QR
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Co-authored-by: Pavol Rusnak <pavol@rusnak.io>
Co-authored-by: dni ⚡ <office@dnilabs.com>
