add link sharing

app/routing/middleware/v1/Invite.middleware.js

@@ -0,0 +1,26 @@
+/*
+ * Invite Middleware
+ * -------------------------------------------------------------
+ * Put some description here!
+ */
+class Invite {
+
+    /*
+     * Run the middleware test.
+     * This method is required by all Flitter middleware.
+     * It should either call the next function in the stack,
+     * or it should handle the response accordingly.
+     */
+    test(req, res, next, args = {}){
+        if ( req.session.invite && !req.originalUrl.includes('/dash/v1/invitation/accept') ){
+            return res.redirect('/dash/v1/invitation/accept')
+        }
+
+        /*
+         * Call the next function in the stack.
+         */
+        next()
+    }
+}
+
+module.exports = Invite