Add litecoin support

res/static/img/payment_providers/litecoin.svg

@@ -0,0 +1 @@
+<svg id="Layer_1" data-name="Layer 1" xmlns="http://www.w3.org/2000/svg" viewBox="0 0 82.6 82.6"><title>litecoin-ltc-logo</title><circle cx="41.3" cy="41.3" r="36.83" style="fill:#fff"/><path d="M41.3,0A41.3,41.3,0,1,0,82.6,41.3h0A41.18,41.18,0,0,0,41.54,0ZM42,42.7,37.7,57.2h23a1.16,1.16,0,0,1,1.2,1.12v.38l-2,6.9a1.49,1.49,0,0,1-1.5,1.1H23.2l5.9-20.1-6.6,2L24,44l6.6-2,8.3-28.2a1.51,1.51,0,0,1,1.5-1.1h8.9a1.16,1.16,0,0,1,1.2,1.12v.38L43.5,38l6.6-2-1.4,4.8Z" style="fill:#345d9d"/></svg>

svelte/src/layout/checkout/CheckoutLib.ts

@@ -58,16 +58,21 @@ export const payment_providers: PaymentProvider[] = [
 		name: "btc",
 		label: "Bitcoin",
 		crypto: true,
-	}, {
-		icon: "dogecoin",
-		name: "doge",
-		label: "Dogecoin",
-		crypto: true,
+		// }, {
+		// 	icon: "dogecoin",
+		// 	name: "doge",
+		// 	label: "Dogecoin",
+		// 	crypto: true,
 	}, {
 		icon: "monero",
 		name: "xmr",
 		label: "Monero",
 		crypto: true,
+	}, {
+		icon: "litecoin",
+		name: "ltc",
+		label: "Litecoin",
+		crypto: true,
 	},
 ]