Rating system fo Content Markers

### Background on the problem the feature will solve/improved user experience
We need to ensure we can trust the data we are curating,

### Describe the solution you'd like
Create rating system for content markers

### Tasks
Description of the development tasks needed to complete this issue, including tests,

### Acceptance Criteria
Standards we believe this issue must reach to be considered complete and ready for a pull request. E.g precisely all the user should be able to do with this update, performance requirements, security requirements, etc as appropriate.

### Technical Requirements

### Roles Required

Issue 中未指定任何文件、测试或入口点。首先定义应如何评定内容标记、谁可以评定它们，以及所需的信任结果；然后确定受影响的入口点和测试，并将完成与明确的验收标准绑定。

由索引模型根据 Issue 内容生成。