chore: enhance examples

Author: twlite

examples/with-workflow/.env.example

@@ -0,0 +1,2 @@
+DISCORD_TOKEN=xxx
+PORT=3000

examples/with-workflow/README.md

@@ -1,8 +1,8 @@
-# Welcome to CommandKit + TypeScript
+# Welcome to CommandKit + Workflow
 
 > This project was generated by [create-commandkit](https://npmjs.com/package/create-commandkit).
 
-Thanks for choosing CommandKit to build your Discord bot!
+Thanks for choosing CommandKit to build your Discord bot! This project uses the [Workflow](https://useworkflow.dev) library to build workflows.
 
 ## To run this project