Added alert sound if the person is not wearing a mask in Video detection

[sakshamchecker]

Issue Number

ISSUE #134

Describe the changes you've made

A short alert sound has been added to the video detection such that when the person in front of the camera is not wearing mask, it creates an alert

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

NA

Additional context (OPTIONAL)

NA

Test plan (OPTIONAL)

A Sample run can test the added sound

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]

@sakshamchecker Please do not use 'winsound' module as it is supported only for Windows.

[sakshamchecker]

@sakshamchecker Please do not use 'winsound' module as it is supported only for Windows.

Added new commit.