feat(A1.1): Add Config API endpoint with FastAPI backend

Implements Task A1.1 - Config Sharing JSON API

Features:
- FastAPI backend with 6 endpoints
- Config analyzer with auto-categorization
- Full metadata extraction (24 fields per config)
- Category/tag/type filtering
- Direct config download endpoint
- Render deployment configuration

Endpoints:
- GET / - API information
- GET /api/configs - List all configs (filterable)
- GET /api/configs/{name} - Get specific config
- GET /api/categories - List categories with counts
- GET /api/download/{config_name} - Download config file
- GET /health - Health check

Metadata:
- name, description, type (single-source/unified)
- category (8 auto-detected categories)
- tags (language, domain, tech)
- primary_source (URL/repo)
- max_pages, file_size, last_updated
- download_url (skillseekersweb.com)

Categories:
- web-frameworks (12 configs)
- game-engines (4 configs)
- devops (2 configs)
- css-frameworks (1 config)
- development-tools (1 config)
- gaming (1 config)
- testing (2 configs)
- uncategorized (1 config)

Deployment:
- Configured for Render via render.yaml
- Domain: skillseekersweb.com
- Auto-deploys from main branch

Tests:
- ✅ All endpoints tested locally
- ✅ 24 configs discovered and analyzed
- ✅ Filtering works (category/tag/type)
- ✅ Download works for all configs

Issue: #9
Roadmap: FLEXIBLE_ROADMAP.md Task A1.1

render.yaml

@@ -0,0 +1,15 @@
+services:
+  # Config API Service
+  - type: web
+    name: skill-seekers-api
+    runtime: python
+    plan: free
+    buildCommand: pip install -r api/requirements.txt
+    startCommand: cd api && uvicorn main:app --host 0.0.0.0 --port $PORT
+    envVars:
+      - key: PYTHON_VERSION
+        value: 3.10
+      - key: PORT
+        generateValue: true
+    healthCheckPath: /health
+    autoDeploy: true