rus07tam 

Shared MSBuild props/targets for building osu-cc plugins into deployable .zip archives.

Templates for osu-cc plugins: `dotnet new osucc-plugin` creates a standalone plugin project that builds to a deployable .zip.

Host API and startup-hook assembly for osu-cc: the plugin-facing surface (IOsuCcPlugin, IOsuCcPluginHost, ...) plugins compile against. The runtime hook is this same assembly loaded by the game.

Framework-free shared layout/version logic for osu-cc (data-root resolution, update-marker contract), shared by the launcher, the hook and the updater plugin.

osu-cc launcher: launches osu! with DOTNET_STARTUP_HOOKS pointing at the hook deployed in the osu-cc data root. Never builds, never touches the install dir; the hook is installed and updated by the in-game... More information