zip with packaging added to create lambda function in deployment shel…

[abidkhan484]

Solve: #39

This PR includes,

1. Remove the zip file of lambda function if exists.
2. Then, create the zip file of lambda function using zip command.

Note: It's been already shared in the readme

[abidkhan484]

@HarshCasper, Could you please review the PR in your available time?

[pythoninthegrass]

Can confirm this fixes my issue as well! Was getting errors like this

"Runtime.ImportModuleError", "requestId": "", "stackTrace": []}
2025-01-23T01:15:25.565  INFO --- [et.reactor-1] localstack.request.http    : POST /_localstack_lambda/59f6f0fdde014997304adab9c78a9435/status/59f6f0fdde014997304adab9c78a9435/error => 202
2025-01-23T01:15:25.565  WARN --- [et.reactor-0] l.s.l.i.execution_environm : Failed to start execution environment 59f6f0fdde014997304adab9c78a9435: Environment startup failed
"2025-01-23T01:15:25.566  WARN --- [et.reactor-0] l.s.l.i.execution_environm : Execution environment 59f6f0fdde014997304adab9c78a9435 for function arn:aws:lambda:us-east-1:000000000000:function:list:$LATEST failed during startup. Check for errors during the startup of your Lambda function.
2025-01-23T01:15:25.565  WARN --- [et.reactor-0] l.s.l.i.execution_environm : Failed to start execution environment 59f6f0fdde014997304adab9c78a9435: Environment startup failed
"2025-01-23T01:15:25.566  WARN --- [et.reactor-0] l.s.l.i.execution_environm : Execution environment 59f6f0fdde014997304adab9c78a9435 for function arn:aws:lambda:us-east-1:000000000000:function:list:$LATEST failed during startup. Check for errors during the startup of your Lambda function.
[2025-01-23T01:15:25.647  INFO --- [et.reactor-0] localstack.request.http    : GET / => 502
[2025-01-23T01:15:25.647  INFO --- [et.reactor-0] localstack.request.http    : GET / => 502