Fix package URL

Author: pokoli

package.json

@@ -27,7 +27,7 @@
 	"homepage": "https://www.papaparse.com/",
 	"repository": {
 		"type": "git",
-		"url": "https://github.com/mholt/PapaParse.git"
+		"url": "git+https://github.com/mholt/PapaParse.git"
 	},
 	"author": {
 		"name": "Matthew Holt",