lang: update display name request copy

lang/main.json

@@ -177,10 +177,10 @@
         "defaultError": "There was some kind of error",
         "detectext": "Error when trying to detect desktopsharing extension.",
         "dismiss": "Dismiss",
-        "displayNameRequired": "Display name is required",
+        "displayNameRequired": "Hi! What’s your name?",
         "done": "Done",
         "doNotShowMessageAgain": "Don't show this message again",
-        "enterDisplayName": "Please enter your display name",
+        "enterDisplayName": "Please enter your name here",
         "error": "Error",
         "externalInstallationMsg": "You need to install our desktop sharing extension.",
         "externalInstallationTitle": "Extension required",