Create CONTRIBUTION.md explaining the process of contribution to this project

Contributing guidelines in GitHub itself.

What to implement: List of tasks:
How to create tasks.
How to assign tasks.
Who creates task, task prioritization.

Implement and Commit the changes
How to identify a task/feature/sub project
Communication and discussions mechanism
Unit test mechanism
Code quality or guidelines
Merge criteria

Tracking the progress of tasks
Expected date completion.
track dependencies between modules implemented by two committers

Build, QA and release process

We should cover all aspects of the project. One is for committers and another set of guidelines for maintainers for management of this repo.

按要求创建 CONTRIBUTION.md。首先审查 issue 中描述的贡献和项目管理实践，然后定义任务创建、分配、确定优先级、实现、测试、质量、合并、进度跟踪、依赖项、QA 和发布方面的指南。当文档涵盖分别针对 committers 和 maintainers 的指南时，即表示完成。