Add deprecation message on install Wrangler1

npm/install-wrangler.js

@@ -1,4 +1,15 @@
 #!/usr/bin/env node
 
 const { install } = require("./binary");
-install()
+
+const deprecationMessage = `
+                      ⛔   DEPRECATION   ⛔
+The version of wrangler you are using is now deprecated. 
+
+Please update to the latest version of wrangler to prevent critical errors.
+
+Run \`npm uninstall -g @cloudflare/wrangler && npm install -g wrangler\` to update to the latest version
+`;
+
+install();
+console.log(deprecationMessage);