Unity Package Manager install:
openupm add com.edinylcnn.hapticbridge
or Git URL: https://github.com/edinylcnn/HapticBridgeForUnity.git?path=/unity-package#unity-v1.0.1
For the companion Logi Options+ plugin (.lplug4), see the plugin-v* release.
Full Changelog: plugin-v1.0.0...unity-v1.0.1