Add Content Workflow Intelligence Platform backend portfolio project

[mizcausevic-dev]

Summary

• adds a recruiter-ready TypeScript + Express content operations portfolio API
• adds realistic content items, authors, workflow queues, approvals, blockers, and performance signals
• adds publishing readiness, bottleneck, and prioritization analysis endpoints
• adds OpenAPI docs, architecture documentation, tests, screenshots, and GitHub security automation

Details

• implements production-minded workflow intelligence for editorial, SEO, legal, and platform teams
• models stage age, approval friction, blockers, search opportunity, and business priority for operational decisioning
• exposes Swagger UI at /docs plus dashboard and reference endpoints for content inventory and workflow queues
• includes upgraded badge-style Tech Stack presentation and a distinct editorial-themed screenshot set

Validation

• npm install
• npm test
• npm run build

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