Port infra-rebuild to Python

Do this for a nicer developer experience in a safer language, which has
nice libraries available to e.g. build command line interfaces (e.g.
click).

Set minimum Python version to 3.10 to support match statements.

src/infra_rebuild/msg/__init__.py

@@ -0,0 +1,13 @@
+import click
+
+
+def info(message):
+    click.echo(click.style(message, bold=True, fg="bright_blue"))
+
+
+def warning(message):
+    click.echo(click.style(message, bold=True, fg="bright_yellow"), err=True)
+
+
+def error(message):
+    click.echo(click.style(message, bold=True, fg="bright_red"), err=True)