❇️ [RTY-260001]: add/api on cli

[harshmishra2701]

Is your feature request related to a problem? Please describe.
add 2 endpoint and it should run using poetry run tiny api

Describe the solution you'd like

1. shorten api

• API endpoint : /shorten
• Method : POST
• Request :

{
"url" : "http://abcd.com"
}

• Response

{
"input_url" : "http://abcd.com", 
"output_url" : "http://<domain name>/Kaq5w1",
"created_on":"timestamp"
}

2.version api

• API endpoint : /version
• Method : GET
• Response :

{
"version":0.0.1
}

Describe alternatives you've considered
Using existing sample repositories for reference https://github.com/recursivezero/sample-py

Additional context
This API will improve usability and allow integration with frontend or third-party services