add desktop and read bnb balance from user seed

apps/desktop/src/lib/electrobun.ts

@@ -0,0 +1,36 @@
+import { Electroview } from 'electrobun/view'
+
+type RPC = {
+	bun: {
+		requests: {
+			getSecret: {
+				params: {
+					service: string
+					name: string
+				}
+				response: Promise<string | null>
+			}
+			setSecret: {
+				params: {
+					service: string
+					name: string
+					value: string
+				}
+				response: Promise<void>
+			}
+		}
+		messages: {}
+	}
+	webview: {
+		requests: {}
+		messages: {}
+	}
+}
+
+const rpc = Electroview.defineRPC<RPC>({
+	handlers: {
+		requests: {},
+		messages: {},
+	},
+})
+export const electrobun = new Electroview({ rpc })