added landing page tracking

Author: AmoDinho

src/pages/index.js

@@ -6,13 +6,15 @@ import Hero from "../components/landing/hero"
 import Chapters from "../components/chapters/Chapters"
 import { FrameworkContext } from "../frameworkContext"
 import Partners from "../components/partners"
+import constants from "../constants"
 const IndexPage = () => {
   const [framework, setFramework] = useState("vue")
 
   const toggleFramework = () => {
     setFramework(framework => (framework === "vue" ? "react" : "vue"))
   }
 
+  constants.track("App.LandingPage.View")
   console.log("ff-1", framework)
   return (
     <FrameworkContext.Provider value={{ framework, toggleFramework }}>