CamIn

1. Support mobile devices displays as a camera by casting to CamIn and apply beauty, virtual background, etc. 2. Support to buy upgrading membership directly and to check the expiration time of the membership 3. Support creating workspace directly 4. Support modifying the local storage path of videos 5. support to retrieve the recorded video when CamIn quits accidentally 6. support to control the video playback and speed in the preview area 7. support auxiliary alignment when arranging content 8. support automatic microphone noise reduction 9. Optimized the quality of microphone recording 10. Shared screen clarity optimization 11. Virtual camera performance optimization 12. Performance optimization 13. Fix the occasional black screen problem of virtual webcam 14. Fixed the flashback problem when installing virtual camera.