feat: display app version in Settings dialog (#337)

next.config.ts

@@ -1,8 +1,12 @@
 import type { NextConfig } from "next"
+import packageJson from "./package.json"
 
 const nextConfig: NextConfig = {
     /* config options here */
     output: "standalone",
+    env: {
+        APP_VERSION: packageJson.version,
+    },
 }
 
 export default nextConfig