feat: add support for provided captions in image zip creation

feat : add support for OpenAI DALL-E image generation and enhance prediction polling in image generation service

feat: enhance image description functionality with focus entity and trigger word support

feat: add prediction models and response formatting for replicate predictions

feat: implement replicate models API with standardized response handling

KKP-152 | feat: added replicate model training routes, added image url to text convertor in openai service

KKP-83 | feat: enhanced prompt feature in replicate image genration

KKP-81 | feat: image generation microservice setup