move top-level modules into a real package

chromy/handlers/query.py

@@ -0,0 +1,9 @@
+from argparse import Namespace
+
+from chromy.utilities import format_query_result, print_lines, run_query
+
+
+def handle_query(args: Namespace) -> int:
+    result = run_query(args.collection, args.query_text)
+    print_lines(format_query_result(result))
+    return 0