Add service fee to specific wallet (#2050)

* add service fee to specific wallet

* add to .env.example

* Added service fee wallet to manage server

* cleaned

* prettier

* Added badge for service fee

* Added tooltip

* Added service fee max

* allow ignoring service fee for internal transactions

* add fee_reserve_total helper funciton that includes service_fee

* html for admin ui

* typo

* Update .env.example

Co-authored-by: Pavol Rusnak <pavol@rusnak.io>

* fix .env.template comment

* bundle

* WIP: expose fee reserve endpoint

---------

Co-authored-by: Arc <ben@arc.wales>
Co-authored-by: dni ⚡ <office@dnilabs.com>
Co-authored-by: Pavol Rusnak <pavol@rusnak.io>

lnbits/core/views/generic.py

@@ -214,6 +214,7 @@ async def wallet(
             "user": user.dict(),
             "wallet": userwallet.dict(),
             "service_fee": settings.lnbits_service_fee,
+            "service_fee_max": settings.lnbits_service_fee_max,
             "web_manifest": f"/manifest/{user.id}.webmanifest",
         },
     )