move test2.py.example to ext dir.

ext/test2.py.example

@@ -0,0 +1,21 @@
+# pybot-f 2nd test extension ... other type of commands (this time, nogroup commands)
+# this code has been copied from the docs/github
+#
+# 
+
+import discord
+from discord import app_commands
+from discord.ext import commands
+
+class Test2Cog(commands.Cog):
+  def __init__(self, bot: commands.Bot) -> None:
+    self.bot = bot
+    
+  @app_commands.command(name="testcmd-1")
+  async def my_command(self, interaction: discord.Interaction) -> None:
+    """ /command-1 """
+    await interaction.response.send_message("Hello from command 1!", ephemeral=True)
+
+
+async def setup(bot: commands.Bot) -> None:
+  await bot.add_cog(Test2Cog(bot))