build(bower): corrected the bower ignore entries

Author: mfranzke

bower.json

@@ -28,11 +28,14 @@
 		}
 	],
 	"ignore": [
-		"bower.json",
 		"demo",
 		"webdriverio-tests",
 		".gitignore",
 		".husky",
-		"commitlint.config.js"
+		"commitlint.config.js",
+		".github",
+		".gitattributes",
+		".prettierignore",
+		".htmlvalidate.json"
 	]
 }