docs: Add appropriate docstring to output_engine/print_mode.py (intel#3457) (intel#3677)

* fixes: intel#3457

Author: aptitudepi

cve_bin_tool/output_engine/print_mode.py

@@ -27,6 +27,7 @@ def html_print_mode(
     full_html: bool = True,
     affected_versions: int = 0,
 ) -> str:
+    """Generates an HTML report of key CVE Details, including affected vendor/product, version, CVE Number, and severity."""
     root = Path(__file__).absolute().parent
     templates_dir = Path(root / "print_mode")
     templates_env = Environment(