OCAL Qt release package

The interface automatically follows the Windows system language:
Simplified Chinese, Traditional Chinese, or English.

Run start-ocal.bat or OcalQt.exe to start the software.
Keep all DLL files and folders together with OcalQt.exe.
The matching Microsoft Visual C++ 14.51 runtime DLLs are included beside OcalQt.exe.
Do not delete or replace msvcp140*.dll, vcruntime140*.dll, or concrt140.dll.
If the included runtime cannot be loaded, run vc_redist.x64.exe as administrator.
The camera should be connected before opening the software.

Camera troubleshooting:
- The first camera open may take several seconds while the driver negotiates the 4K video format.
- If opening the camera fails or the program exits, send ocal-diagnostic.log and
  ocal-crash.dmp (when present) from this folder to the developer.

摄像头故障排查：
- 驱动协商 4K 视频格式时，首次打开可能需要等待数秒。
- 如果打开摄像头失败或程序退出，请将本目录中的 ocal-diagnostic.log 和
  ocal-crash.dmp（如果存在）发给开发人员。

Bundled dependency installer:
- vc_redist.x64.exe: Microsoft Visual C++ Redistributable 2022 x64 official installer.
  Version 14.51.36247, matching the compiler used to build OcalQt.exe.
  Run it if OcalQt.exe cannot start on a new computer.

运行库说明：
- 程序目录已包含与编译器匹配的 Microsoft Visual C++ 14.51 运行库。
- 请勿删除或替换 msvcp140*.dll、vcruntime140*.dll、concrt140.dll。
- 如果仍提示运行库问题，请以管理员身份运行 vc_redist.x64.exe。
