Code is not that advanced, but I think it should be mentioned in the documentation.
贡献者指南
技术栈
javascript
领域
documentation
议题类型
documentation
难度面向新贡献者的预计实现难度，1 表示很小改动，5 表示专家级工作。
1
预计时间有经验贡献者完成调查、实现、测试并准备 pull request 的粗略时间范围。
under 1 hour
活动状态议题当前的可参与程度：新鲜、活跃、陈旧、阻塞或等待维护者输入。
stale
清晰度议题是否清楚说明期望改动、验收标准和下一步。
clear
前置要求
basic Ember.js knowledge
新手友好度1-100 的估计分数，表示该议题对首次贡献者的友好程度。
90
研究方向
The issue requests documenting the `md btn submit` component. The first step is to locate the existing documentation structure for components in the repository (likely in the `docs` folder or `README`). Then, add a section or entry for `md btn submit` explaining its usage, properties, and examples. There are no linked PRs or comments indicating blockers, so this is a straightforward addition.
