adding duty

duties.py

@@ -0,0 +1,16 @@
+from duty import duty
+
+
+@duty
+def test(ctx):
+    ctx.run(["echo", "test"], title="test command")
+
+
+@duty
+def update_deps(ctx, dry: bool = True):
+    # duty update_deps dry=False
+    dry_run = "--dry-run" if dry else ""
+    ctx.run(
+        ["poetry", "update", dry_run],
+        title=f"Updating poetry deps {dry_run}",
+    )