feat: v0.3.1 — show app version in header (sourced from package.json)

components/Map.tsx

@@ -3,6 +3,7 @@
 import { useEffect, useRef, useState } from 'react';
 import * as maplibregl from 'maplibre-gl';
 import 'maplibre-gl/dist/maplibre-gl.css';
+import pkg from '../package.json';
 
 const EUROPE_CENTER: [number, number] = [10, 52];
 const INITIAL_ZOOM = 4;
@@ -93,6 +94,7 @@ export default function Map() {
     <div className="map-wrap">
       <header data-testid="app-header" className="app-header">
         <h1>Flight Ops</h1>
+        <small>v{pkg.version}</small>
         <span data-testid="airport-count">
           {airportCount === null ? 'loading airports…' : `${airportCount} EU airports`}
         </span>