feat: add getalby wallet as funding source (#2086)

* initial scaffolding, methods for getalby wallet
* Add getAlby to docs and i18n
* update alby wallet methods
* change names from GetAlbyWallet to AlbyWallet
* remove unused variables in AlbyFundingSource in settings.py
* rename getalby.py to alby.py
* fix method auth and status
* resolve rolznz commented issues
* rename ALBY_API_KEY to ALBY_ACCESS_TOKEN
* fix desc hash in create_invoice

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

lnbits/static/js/service-worker.js

@@ -1,6 +1,6 @@
 // update cache version every time there is a new deployment
 // so the service worker reinitializes the cache
-const CACHE_VERSION = 70
+const CACHE_VERSION = 72
 const CURRENT_CACHE = `lnbits-${CACHE_VERSION}-`
 
 const getApiKey = request => {