Add check update infos

Author: Nicofuma

composer.json

@@ -2,7 +2,7 @@
 	"name": "nicofuma/webprofiler",
 	"type": "phpbb-extension",
 	"description": "An extension which allows you to consult the information generated by the profiler in the debug mode.",
-	"homepage": "https://phpbb.com",
+	"homepage": "https://www.phpbb.com",
 	"version": "1.0.0-b1",
 	"keywords": ["phpbb", "extension", "profiler", "debug"],
 	"license": "GPL-2.0",
@@ -21,6 +21,11 @@
 		"display-name": "Web Profiler Extension",
 		"soft-require": {
 			"phpbb/phpbb": "3.1.*@dev"
+		},
+		"version-check": {
+			"host": "nicofuma.github.io",
+			"directory": "/",
+			"filename": "webprofiler.json"
 		}
 	}
 }