Add mailcheck.co to lovers.js (#629)

Papa Parser is a great help for us. Such a function like guessing delimiters saved lots of our clients time.

docs/resources/js/lovers.js

@@ -78,5 +78,11 @@ var peopleLovePapa = [
 		name: "Novel.js",
 		description: "is a text adventure framework that uses Papa Parse to enable user-friendly translations.",
 		quote: "Papa saves countless hours of work and makes reading large CSV files so easy!"
+	},
+		{
+		link: "https://mailcheck.co",
+		name: "Mailcheck.co",
+		description: "Mailcheck is email validation service. All emails usually stored in CSV's. We use Papa Parse to process data from our customers in browser",
+		quote: "Papa Parser allowed our customers to preview and process csv's in browser, without uploading them to server. It saves lots of time and space :)"
 	}
 ];