KKP-438 | feat : add support for social media scraping and Apify webhook handling

reafactor: video generation models

refactor: update image asset handling by replacing ImageAssetResponse with UrlImageAsset and Base64ImageAsset across services

refactor: a hell lot of refactor

feat: enhance credit handling for image upscaling and update webhook processing

feat: add Optional type import for improved type hinting in router.py

Merge pull request #68 from kittykat-ai/feat/video-generation-additional-models

feat: implement BytePlus video generation functionality and webhook handling

feat: enhance ImageUpscaleRequest with queue and campaign support; update webhook handling

feat: remove campaign_id parameter from video and image generation endpoints and models

feat: add campaign_id parameter to image and video generation endpoints and services

KKP-359 | feat: add optional campaign_id parameter to image generation and webhook handling

feat: add image upscaling functionality and Magnific webhook integration

feat: integrate credit estimation and deduction for video generation services

feat: add ConsumedCredits model and update webhook processing to track credit consumption

feat: repo init