Theta 坐标系支持指定坐标中心以及能够限定角度

### AntV Open Source Contribution Plan（可选）

- [X] 我同意将这个 Issue 参与 OSCP 计划

### Issue 类型

中级任务

### 任务介绍

参考：https://g2-v4.antv.vision/zh/examples/pie/basic#pie-ranged

### 参考说明

_No response_

Start with the linked G2 v4 pie-ranged example and trace how the Theta coordinate system is configured. Define the required behavior for selecting a coordinate center and constraining the angle range, then verify the example or relevant coordinate behavior demonstrates both options.

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