Add test message

src/extensions/hello_world.py

@@ -8,7 +8,7 @@ class HelloWorld(discord.Extension):
     @discord.slash_command("hello", description="Say hello!")
     async def hello(self, ctx: discord.SlashContext):
         """A simple hello world command"""
-        await ctx.send("Hello, world!")
+        await ctx.send("Hello, world! ~ from the review branch")
 
     @discord.slash_command(
         "base_command", description="A base command, to expand on"