add ask tool-calling loop and builtin tools

Author: nschaetti

mpipe/__main__.py

@@ -40,6 +40,7 @@
 from mpipe.commands.models import models_command
 from mpipe.commands.prompt import prompt_group
 from mpipe.commands.tools import tools_group
+from mpipe.console import enable_rich_tracebacks
 
 
 ROOT_HELP_EXAMPLES = """Examples:
@@ -98,6 +99,7 @@ def main() -> None:
     None
         Returned value.
     """
+    enable_rich_tracebacks()
     cli()
 # end def main