I have no idea why this board is not supported while in the main site clearly refrenced to being supported by arduino

• Name: Nucleo64 STM32G070
• Link to all relevant information:
  • Documentations : https://www.st.com/resource/en/user_manual/dm00452640-stm32-nucleo64-boards-with-stm32g07xrb-mcus-stmicroelectronics.pdf
  • Schematics :https://www.manualslib.com/manual/1529028/St-Stm32-Nucleo-64.html?page=11
  • Where this hardware can be purchased :https://www.st.com/en/evaluation-tools/nucleo-g070rb.html#:~:text=The%20STM32%20Nucleo%2D64%20boards,provided%20by%20the%20STM32%20microcontroller.