fix(types): make nuxt config property laravel optional

Author: mentAl-maZe

src/options.ts

@@ -109,6 +109,6 @@ export const getConfiguration = (
 
 declare module '@nuxt/types' {
   export interface Configuration {
-    laravel: Options
+    laravel?: Options
   }
 }

types/options.d.ts

@@ -43,6 +43,6 @@ export declare const getConfiguration: (nuxtOptions: Configuration, overwrites?:
 };
 declare module '@nuxt/types' {
     interface Configuration {
-        laravel: Options;
+        laravel?: Options;
     }
 }