feat(images,videos): unified OpenAI-style image+video endpoints

fix(docs): remove Admin link from public docs navigation

feat(admin): unify dashboard + login design with landing/docs theme

feat(docs): branded /docs page replacing default Swagger UI

feat(providers): prefix-based routing with per-model custom aliases

feat(dashboard): refine admin dashboard UI

feat(dashboard): update admin dashboard UI

fix(admin): display model names instead of IDs in dashboard models list

fix(admin): prevent infinite reload loop on 401

refactor: remove Turnstile + disable local file writes (HF ephemeral runtime)

Upload folder using huggingface_hub

feat(admin): add IP-bound API key manager + gpt-image-2 endpoint

Remove nav links (Pricing, Status, Dashboard), keep only Documentation

Update landing: bee emoji logo, remove security section, real API calls

refactor: extract HTML templates to separate files