ADD laravel 7 support

Author: Surya

composer.json

@@ -3,7 +3,7 @@
   "description": "A Laravel form package",
   "require": {
     "php": "^7.2.0",
-    "laravel/framework": "^5.7|^5.8|^6.0"
+    "laravel/framework": "^5.7|^5.8|^6.0|^7.0"
   },
   "license": "MIT",
   "authors": [