lvgl/lv_nuttx

1. Launch the Project Creator
2. Create a NuttX Simulator project
3. Follow the remaining steps given by the Project Creator
   1. Install the NuttX prerequisites and KConfig frontend in https://nuttx.apache.org/docs/latest/quickstart/install.html
   2. Additionally, install unzip
   3. Run ./setup.sh or run the following commands

      git submodule update --init
      cd apps
      ln --symbolic --force ../my_lvgl_apps
      cd ..
      cd nuttx
      ./tools/configure.sh -l sim:lvgl_fb
      kconfig-tweak --enable CONFIG_MY_LVGL_APPS_MY_LVGL_APP
      yes '' | make oldconfig
      cd ..

   4. Run the following commands

      cd nuttx
      make -j$(nproc)
      ./nuttx