perf: Remove normalize_video step - saves 50-90 sec per scene

feat: Major optimizations - Quiz dynamic fonts, TTS 1.2x speed, Video stream copy (10x faster), Single API call, Fact Image dynamic fonts, Text Story position fix

feat: Multiple updates - HTML optimization, dual API search, text story tuning, Messenger UI

Add Pixabay video API: dual search (Pexels + Pixabay), optional both APIs, 9:16 portrait filtering

Fix Pexels: pass full keywords list instead of single keyword to find_video

Fix: get_status returns ready for cloud-uploaded videos (check .cloud file)

Complete cloud storage: return cloud URL when HF upload successful, redirect download

Add optional HF Hub cloud storage for videos with auto folders per module

Fix Config type hint in short_creator.py

Initial commit: NCAkit with Story Reels module