Update .env.example

.env.example

@@ -0,0 +1,10 @@
+# Type queries here, and you will see intelligent autosuggestions
+# aware of GitHub's current GraphQL schema, equipped with live
+# syntax and validation errors highlighted within the text. We'll
+# get you started with a simple query showing your username!
+
+query {
+  viewer {
+    login
+  }
+}