feat: HodlInvoices (Rebase) (#2869)

Co-authored-by: pseudozach <git@pseudozach.com>
Co-authored-by: dni ⚡ <office@dnilabs.com>
Co-authored-by: Vlad Stan <stan.v.vlad@gmail.com>

lnbits/static/i18n/en.js

@@ -176,7 +176,17 @@ window.localisation.en = {
   extension_required_lnbits_version: 'This release requires LNbits version',
   min_version: 'Minimum (included)',
   max_version: 'Maximum (excluded)',
+  preimage: 'Preimage',
+  preimage_hint: 'Preimage to settle the hold invoice',
+  hold_invoice: 'Hold Invoice',
+  hold_invoice_description:
+    'This invoice is on hold and requires a preimage to settle.',
   payment_hash: 'Payment Hash',
+  invoice_cancelled: 'Invoice Cancelled',
+  invoice_settled: 'Invoice Settled',
+  hold_invoice_payment_hash: 'Payment hash for hold invoice (optional)',
+  settle_invoice: 'Settle Invoice',
+  cancel_invoice: 'Cancel Invoice',
   fee: 'Fee',
   amount: 'Amount',
   amount_limits: 'Amount Limits',