chore: update Hugging Face space configuration with app port and pinned status

.env

@@ -12,7 +12,7 @@ CORS_ORIGINS=["*"]
 # Database
 # For local dev: sqlite:///./deepshield.db
 # For production (Neon/Supabase): postgresql://username:password@ep-cool...
-DATABASE_URL=postgresql://neondb_owner:npg_YUdXqlrDP3H2@ep-divine-tooth-ame27uf3-pooler.c-5.us-east-1.aws.neon.tech/neondb?sslmode=require&channel_binding=require
+DATABASE_URL=postgresql://neondb_owner:npg_YUdXqlrDP3H2@ep-divine-tooth-ame27uf3-pooler.c-5.us-east-1.aws.neon.tech/neondb?sslmode=require&channel_binding=disable
 
 # File Upload
 MAX_UPLOAD_SIZE_MB=100

README.md

@@ -4,7 +4,8 @@ emoji: 🛡️
 colorFrom: blue
 colorTo: indigo
 sdk: docker
-pinned: false
+app_port: 7860
+pinned: true
 ---
 
 # DeepShield Backend