[修订] 修订 Skript 教程并完善文档 (Cubic-Project#43)

* [feat]Revise Skript tutorials and enhance documentation

Expanded and clarified the Skript basic and advanced tutorials, including detailed explanations of syntax, types, and usage patterns. Improved structure, added practical examples, and enhanced guidance for beginners and advanced users. Updated images and reorganized content for better readability and learning progression.

* [修复] 修复构建

修复构建

* Update docs-java/process/maintenance/lang/skript/basic-tutorials.md

Co-authored-by: Copilot <175728472+Copilot@users.noreply.github.com>

* Update docs-java/process/maintenance/lang/skript/advanced-tutorials.md

Co-authored-by: Copilot <175728472+Copilot@users.noreply.github.com>

* 🎨 文档格式化

Author: Radiation-pi