CC: Graphics

# CC: Graphics Adds [CraftOS-PC graphics mode](https://www.craftos-pc.cc/docs/gfxmode) support to CC:Tweaked terminals — modes 0, 1, and 2 with a matching Lua API.   ## Features - Full CraftOS-PC graphics mode API (`setGraphicsMode`, `setPixel`, `drawPixels`, `getPixels`, `setFrozen`, etc.) - Mode 1 (4-bit, 16 colors) and Mode 2 (8-bit, 256 colors with extended palette) - Bundled CraftOS-PC programs: gfxpaint, pngview, raycast - Compressed network sync (LZ4 + diff encoding) - Per-computer graphics toggle via `ccgraphics:graphics_disabled` data component - Configurable grayscale graphics for non-color computers - Configurable network compression ## Known Limitations - Pocket computers won't display graphics on the in-hand item render - Graphics on pocket computers might be unstable - `term.screenshot()`, `term.showMouse()`, and `term.relativeMouse()` are not implemented (SDL-only in CraftOS-PC) Requires CC:Tweaked 1.117.0+ on Minecraft 1.21.1. Available for both Fabric and NeoForge.