chore: remove APAW from tracking; gitignore agent-generated files

app/Http/Middleware/IsInstalled.php

@@ -0,0 +1,25 @@
+<?php
+
+namespace App\Http\Middleware;
+
+use Closure;
+
+class IsInstalled
+{
+    /**
+     * Handle an incoming request.
+     *
+     * @param  \Illuminate\Http\Request  $request
+     * @param  \Closure  $next
+     * @return mixed
+     */
+    public function handle($request, Closure $next)
+    {
+        $envPath = base_path('.env');
+        if (! file_exists($envPath)) {
+            return redirect(url('/').'/install');
+        }
+
+        return $next($request);
+    }
+}