Development tools for Zephyr on STM32Workbench for Zephyr: VS Code extension to set up, build, flash and debug Zephyr applications on STM32.Devicetree manager: browse, edit and visualize Zephyr devicetree, STM32CubeMX-like for Zephyr.
First the lib is from ST, so the question seems better to ST.
Second, the lib is provided as binary only, so you need to link the .a file when do link.