Minecraft-dev: A Minecraft Development Plugin for DeepSeek Harness

The `sikadi233-hub/minecraft-dev` plugin is designed for DeepSeek Harness (DSH) to address the complex dependency and build challenges in Minecraft development across various versions and platforms, including Paper, Spigot, Fabric, Forge, and NeoForge. It supports Minecraft versions from 1.7.10 to 26.x and offers 7 on-demand loadable skills (covering various platforms and legacy version development), 2 tools (`mc_scaffold` for project scaffolding creation and `mc_gradle` for executing Gradle tasks), 4 built-in sub-agents (for task planning, skeleton generation, content filling, and verification), and 1 `minecraft` Agent preset. Users can access these features through