restructured project to have /src folder

src/debug.py

@@ -0,0 +1,24 @@
+from functools import wraps
+import inspect
+from typing import Callable
+
+import typer  # type: ignore
+
+import config
+
+
+def debug_guard(f: Callable) -> Callable:
+    if not config.DEBUG:
+        return f
+    try:
+        import snoop  # type: ignore
+    except ImportError:
+        typer.echo("Debug mode requires the snoop package")
+        raise typer.Exit(1)
+    else:
+        snoop.install(
+            snoop="ss",
+        )
+    
+    typer.echo(f"Debug mode enabled: {inspect.stack()[1].filename}")
+    wraps(f)(ss)(f)  # noqa: F821 #* ss is installed in debug_mode