working on typescript

src/mailgo.ts

@@ -1,8 +1,8 @@
-type MailgoConfig = {};
-
 const mailgoVersion: string = "MAILGO_VERSION";
 
-const mailgo = (config?: MailgoConfig) => {
+type MailgoConfig = {};
+
+const mailgo = (config?: MailgoConfig): void => {
   // links
   const MAILTO: string = "mailto:";
   const TEL: string = "tel:";