feat: add API example (#317)

examples/api/src-tauri/src/cmd.rs

@@ -0,0 +1,24 @@
+// Copyright 2019-2023 Tauri Programme within The Commons Conservancy
+// SPDX-License-Identifier: Apache-2.0
+// SPDX-License-Identifier: MIT
+
+use serde::Deserialize;
+use tauri::command;
+
+#[derive(Debug, Deserialize)]
+#[allow(unused)]
+pub struct RequestBody {
+    id: i32,
+    name: String,
+}
+
+#[command]
+pub fn log_operation(event: String, payload: Option<String>) {
+    log::info!("{} {:?}", event, payload);
+}
+
+#[command]
+pub fn perform_request(endpoint: String, body: RequestBody) -> String {
+    println!("{} {:?}", endpoint, body);
+    "message response".into()
+}