New File added nomask.mp3 and if the person does not wear a mask, alert is added.

[shubhammanjare17]

…Video Detection

Issue Number

ISSUE #134

Describe the changes you've made

In video detection if person not worn mask alert is added and nomask.mp3 file is added.

Describe if there is any unusual behaviour of your code(Write NA if there isn't)

NA

Additional context (OPTIONAL)

Test plan (OPTIONAL)

Checklist

• [x] My code follows the code style of this project.
• [x] I have performed a self-review of my own code.
• [ ] My change requires a change to the documentation.
• [ ] I have updated the documentation accordingly.
• [x] I have commented my code, particularly in hard-to-understand areas.
• [x] My changes generate no new warnings.
• [ ] I have added tests that prove my fix is effective or that my feature works.
• [x] The title of my pull request is a short description of the requested changes.

[chandrikadeb7]

@shubhammanjare17 Add pyobjc in requirements file. This feature is slowing down the FPS drastically, please fix that.