Update webserver to comply with websockets 14.1 version

[PMohanJ]

Reference the issue numbers and reviewers
#170 @ehfd

Explain relevant issues and how this pull request solves them
Due to latest version release of websockets to 14.1 the current implementation requires refactoring to comply with the latest release

Describe the changes in code and its dependencies and justify that they work as intended after testing
Created custom_response function to allow the response to accept bytes type to have backword compatibility to server web pages via python server, of which is being handled by Nginx server now.

Describe alternatives you've considered
NA

Additional context
NA

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