Donation: Add lightning node

config/config.ts_TEMPLATE

@@ -45,6 +45,8 @@ interface Config {
       cert: string;
       // Path to invoice.macaroon
       macaroon: string;
+      // Lightning Node URI <pubkey>@<ip:port>
+      lightningNodeUri?: string;
     };
     // URL to the LNURL-pay endpoint
     lnurlPayUrl: string;
@@ -78,6 +80,7 @@ const config: Config = {
   //     server: "https://127.0.0.1:8080",
   //     cert: "/path/to/tls.cert",
   //     macaroon: "/path/to/invoice.macaroon",
+  //     lightningNodeUri: "pubkey@ip:port"
   //   },
   // },
   // lnurlPayUrl: "https://domain.com/invoice",

frontend/components/Donation.tsx

@@ -46,6 +46,23 @@ export const ChangeToBolt11 = styled.a`
   font-size: 14px;
 `;
 
+export const ConnectToNodeTitle = styled.p`
+  display: block;
+  overflow-wrap: anywhere;
+  font-size: 12px;
+  color: #aaa;
+  margin-top: 17px;
+  margin-bottom: 4px;
+`;
+
+export const ConnectToNodeData = styled.p`
+  display: block;
+  overflow-wrap: anywhere;
+  font-size: 12px;
+  color: #aaa;
+  margin-top: 0;
+`;
+
 const lnurlPayBech32 = bech32.encode(
   "lnurl",
   bech32.toWords(new TextEncoder().encode(config.donation?.lnurlPayUrl)),
@@ -115,6 +132,12 @@ export function Donation() {
               Unsupported wallet? Click to change to normal BOLT11 invoice
             </ChangeToBolt11>
           )}
+          {config.donation?.data.lightningNodeUri && (
+            <>
+              <ConnectToNodeTitle>The Lightning Node:</ConnectToNodeTitle>
+              <ConnectToNodeData>{config.donation.data.lightningNodeUri}</ConnectToNodeData>
+            </>
+          )}
         </>
       )}
     </DonateContainer>