Resolves #196 - Fixes button text colors staying white in dialogs on dark theme

Resolves #197 - Fixes text cutoffs on Add Item screen by making layout widths dynamic

Resolves #198 - Allows starting price input with decimal points (e.g. .55)

- Improve printed receipt legibility by increasing font sizes
- Prevent Mint URLs from being truncated on printed and text receipts
- Replace hardcoded USD currency fallbacks with user's selected currency
- Remove emojis from payment types in receipts
- Fallback to Lightning invoice if token is missing when viewing receipt

This uses the melt with proofs and prevents a swap before the melt
In the case of the unknown mint we create a temp wallet and do not
receive those proofs to the wallet. Instead we melt directly with them.

We do not want a swap before the melt to prevent a partial operation.
If we swap but the melt fails we have spent the senders tokens
but we have not received them to our wallet as we do not trust there mint

…#209)

* feat: enhance nfc payment animation with processing state and haptics

    - Add new 'processing' state to NFC animation view with smooth color transition
    - Provide a gentle haptic vibration pulse when switching states
    - Add localized text hints ('Keep phone close', 'Processing payment...')
    - Style hints elegantly with medium weight fonts and subtle alpha crossfades

* style: match nfc hint font sizes to error title size and center text

* fix: cancel pending hint animations to prevent overwriting success/error titles

* fix: make redeemToken a suspend function to prevent blocking the main thread during NFC Cashu payments

* fix: onboarding UI updates init.

* updated add mint section in onboarding ui.

* fix: restore previous default mints list in onboarding

* feat: fetch mint profiles concurrently in onboarding

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Co-authored-by: a1denvalu3 <[email protected]>

This reverts commit 5eb90f7.

* chore: add fastlane metadata for F-Droid publication

* docs: update descriptions to be more generic and highlight bitcoin/lightning

* fix headers

* cleanup

* teardown

* feat: add KRW (Korean Won) currency support via Upbit API

* refactor: use map-based price API config to decouple exchange specific logic from BitcoinPriceWorker

…#219)

* fix: CSV export/import roundtrip for Numo fields (SATS, VAT, Inventory)

* fix: allow all mime types for CSV import to prevent grayed out files

#190)