Added Laravel 5.5 Support (martinlindhe#24)

Author: Fabio Capucci

composer.json

@@ -12,8 +12,8 @@
     ],
     "require": {
         "php": ">=5.5.0",
-        "illuminate/console": "~5.1.0|~5.2.0|~5.3.0|~5.4.0",
-        "illuminate/support": "~5.1.0|~5.2.0|~5.3.0|~5.4.0"
+        "illuminate/console": "~5.1.0|~5.2.0|~5.3.0|~5.4.0|~5.5.0",
+        "illuminate/support": "~5.1.0|~5.2.0|~5.3.0|~5.4.0|~5.5.0"
     },
     "require-dev": {
         "phpunit/phpunit": "~4.7"
@@ -22,5 +22,12 @@
         "psr-4": {
             "MartinLindhe\\VueInternationalizationGenerator\\": "src/"
         }
+    },
+    "extra": {
+        "laravel": {
+            "providers": [
+                "MartinLindhe\\VueInternationalizationGenerator\\GeneratorProvider"
+            ]
+        }
     }
 }