* fix: add support for trampoline payments in Breez integration
- Introduced `BREEZ_USE_TRAMPOLINE` configuration in `.env.example`.
- Updated `BreezSdkFundingSource` to include `breez_use_trampoline` setting.
- Modified payment request in `breez.py` to utilize the trampoline setting when sending payments.
* Update .env.example
Co-authored-by: Pavol Rusnak <pavol@rusnak.io>
* Update lnbits/settings.py
Co-authored-by: Pavol Rusnak <pavol@rusnak.io>
* refactor: streamline payment request formatting in Breez integration
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Co-authored-by: Pavol Rusnak <pavol@rusnak.io>
