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

---------

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

lnbits/static/js/components/lnbits-funding-sources.js

@@ -97,6 +97,14 @@ Vue.component('lnbits-funding-sources', {
             lnbits_key: 'Admin Key'
           }
         ],
+        [
+          'AlbyWallet',
+          'Alby',
+          {
+            alby_api_endpoint: 'Endpoint',
+            alby_access_token: 'Key'
+          }
+        ],
         [
           'OpenNodeWallet',
           'OpenNode',