SlimeVR driver for OpenVR

Downloaded the latest release, and use one of two options to install the driver (in the future Server will do it for you).

Copy the slimevr folder in your SteamVR folder, usually it's located in C:\Program Files (x86)\Steam\steamapps\common\SteamVR\drivers. This should look like this:

Edit file C:\Users\<Username>\AppData\Local\openvr\openvrpaths.vrpath, add "Path\\to\\slimevr", to the list of external_drivers there, like this:

Don't forget to double backwards slashes!

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