shared_dir
Type: DirPath | Multiple: No | Default: “<Project>/shared”
Remote Development uses this folder to synchronize extra files between remote machine. For example, you can share extra_scripts.
Please note that these folders are automatically shared between remote machine
with pio remote run --force-remote or
pio remote test --force-remote commands:
The default value is shared, meaning a directory named “shared”
located in the root of the project.
This option can also be configured by the global environment variable
PLATFORMIO_SHARED_DIR.