Add meta

Author: Kikobeats

index.html

@@ -23,6 +23,8 @@
   <meta name="twitter:title" content="browserless, a syntactic sugar API over Chrome Headless.">
   <meta name="twitter:description" content="a syntactic sugar API over Chrome Headless.">
   <meta name="twitter:image" content="https://browserless.js.org/logo-banner.png">
+  <meta name="twitter:label1" value="Installation"/>
+  <meta name="twitter:data1" value="npm install browserless --save"/>
   <!-- Open Graph general (Facebook, Pinterest & Google+) -->
   <meta name="og:title" content="browserless, a syntactic sugar API over Chrome Headless.">
   <meta name="og:description" content="a syntactic sugar API over Chrome Headless.">