feat: implement API key authentication

Author: HeroJJ555

nodejs-pure/api-key.js

@@ -0,0 +1,25 @@
+const axios = require("axios");
+
+const API_KEY = process.env.IVAO_API_KEY || "YOUR_API_KEY_HERE";
+
+const clientWithHeader = axios.create({
+  baseURL: "https://api.ivao.aero/v2",
+  headers: {
+    "X-API-Key": API_KEY,
+  },
+});
+
+async function fetchAirportsWithHeader() {
+  try {
+    const response = await clientWithHeader.get("/airports");
+    console.log("Airports:", response.data);
+  } catch (err) {
+    if (err.response) {
+      console.error(`Error ${err.response.status}:`, err.response.data);
+    } else {
+      console.error("Request error:", err.message);
+    }
+  }
+}
+
+fetchAirportsWithHeader();