Implement Sentiment Analysis service API

[oguzhanural]

As a developer I need to Implement Sentiment Analysis service API So that the platform can analyze user feedback or comments and provide sentiment insights.

Details and Assumptions

* The API should analyze text input to determine sentiment (e.g. positive, negative or neutral).
* The API should return sentiment scores or classifications based on analysis.
* The API should be documented for use by frontend developers and other services.
* The service may use machine learning models or third-party libraries for sentiment analysis.
* Proper error handling and responses should be implemented.

Acceptance Criteria

Given the requirements for the Sentiment Analysis service API
When I implement the API
Then the API should accept text input for analysis
And the API should return the sentiment classification or score
And the API should provide proper error handling and responses

[oguzhanural]

Done.