feat(nvprefs): add V-Sync and frame limiter options#3317

Unarelith wants to merge 2 commits intoLizardByte:masterLizardByte/Sunshine:masterfrom

Unarelith:nvapi-vsync-and-frame-limiterUnarelith/Sunshine:nvapi-vsync-and-frame-limiterCopy head branch name to clipboard