Replace lightning toolkit with wallet adapter

src/lib/lightning/wallet/IWallet.ts

@@ -0,0 +1,16 @@
+export type WalletPayInvoiceParams = {
+  invoice: string
+  msats?: number
+}
+
+export type WalletCreateInvoiceParams = {
+  sats: number
+  description?: string
+}
+
+export interface IWallet {
+  getBalanceSats: () => Promise<number>
+  payInvoice: (params: WalletPayInvoiceParams) => Promise<unknown>
+  createInvoice: (params: WalletCreateInvoiceParams) => Promise<string>
+  close: () => void
+}