New features/optimizations:

1. Add the "Analysis" function

• Supports the definition of 3 types of "Metrics"(Custom-conversion, Page View, Click )
• Support metrics associated with toggle
• Support start and stop iteration of metrics analysis data
• Support to start collecting data while toggle publishing
• Rust SDK supports metric analysis
• Java SDK supports metric analysis
• JS SDK support metric analysis
• Support the graph display of the metric analysis data of the toggle

2. Add environment replication: When creating a new environment, you can select an existing environment to copy
3. Optimize the "Edit toggle" page: remove the “variations and "When toggle is disabled"
4. It is forbidden to change the sdk type after the toggle is created
5. API provides the function of setting toggle status
6. Docker compose supports web socket
7. The total amount of information on the toggle and segment configuration pages is limited to 1 MB bug fixes: 1.The "Evaluation" information of the toggle list is displayed incorrectly Document Supplement：
8. Add the tutorial of "Analysis"
9. Add the tutorial of “Using REST API" to publish toggle