Able to use of the "Hostname" to activate the webpage and improvements

New feature

Able to use of the "Hostname" to activate the webpage.P.S. The hostname is changeable.

Improvement

1. Bug Fixed: When the tracking camera captures a large number of people, random camera
   image delays or freezes may occur, rendering the webpage nonfunctional.
2. Optimized the configuration for the "Effective Tracking Area" on the webpage.
3. Optimized the image focus quality of preset after switching.
4. Optimized the activation of Multi-presenter mode.
5. Optimized the UVC streaming compatibility with Zoom Room app.
6. Support VISCA/CGI inquiry for USB/UVC status