**go version**
- feat: add option WithScreenShot
- feat: run xctest before start ios automation
- feat: run step with specified loop times
- feat: add options for FindTexts
- feat: capture pcap file for iOS, including CLI `hrp ios pcap` and option `uixt.WithIOSPcapOptions(...)`
- feat: add performance monitor for iOS, including CLI `hrp ios perf` and options `uixt.WithIOSPerfOptions(...)`
- refactor: move all UI APIs to uixt pkg
- docs: add examples for UI APIs