feat: implement HireFlow MVP features

- AI-powered CV parsing (regex extraction of skills, experience, education)
- Multi-channel job posting (LinkedIn, Indeed, Arbetsförmedlingen, Glassdoor, company site)
- Collaborative hiring scorecards with 5-criteria scoring system
- Dashboard with live stats (candidates, jobs, applications, scorecards)
- PostgreSQL schema for candidates, jobs, applications, scorecards
- REST API for all CRUD operations
- React UI with shadcn/ui components throughout

Co-Authored-By: Claude Sonnet 4.6 <noreply@anthropic.com>

package.json

@@ -16,7 +16,8 @@
     "express": "^4.18.2",
     "pg": "^8.11.3",
     "redis": "^4.6.12",
-    "cors": "^2.8.5"
+    "cors": "^2.8.5",
+    "multer": "^1.4.5-lts.1"
   },
   "devDependencies": {
     "nodemon": "^3.0.2",