feat: add custom 404 error page and handle exceptions for not found errors

app/Exceptions/Handler.php

@@ -2,6 +2,8 @@
 
 use Exception;
 use Illuminate\Foundation\Exceptions\Handler as ExceptionHandler;
+use Illuminate\Database\Eloquent\ModelNotFoundException;
+use Symfony\Component\HttpKernel\Exception\NotFoundHttpException;
 
 class Handler extends ExceptionHandler {
 
@@ -42,6 +44,11 @@ class Handler extends ExceptionHandler {
 		if (!$e instanceof Exception) {
 			$e = new \ErrorException($e->getMessage(), $e->getCode(), E_ERROR, $e->getFile(), $e->getLine());
 		}
+
+		if ($e instanceof NotFoundHttpException || $e instanceof ModelNotFoundException) {
+			return response()->view('errors.404', [], 404);
+		}
+
 		return parent::render($request, $e);
 	}