Add Swagger UI documentation at /docs

refactor: Modular structure with separate files per actor

feat: Enhanced LinkedIn Jobs Scraper v3.0

Add LinkedIn Jobs actor endpoint

Fix: Use playwright-core import

Use playwright-core only (lighter, connects to Steel Browser)

Lighter Dockerfile - no Chromium needed (uses Steel Browser)

Integrate with Steel Browser via CDP - remove internal Chromium

Force cache bust v2 for procps install

Fix: Add procps package for Crawlee (needs ps command)

Fix: Add Docker-optimized Playwright config with --no-sandbox flags

Fix: Install curl for health check support

Fix: Add HEALTHCHECK NONE to prevent Swarm from using cached health check

Remove health check temporarily for stability

Fix health check - use node fetch instead of curl