docs: Rebuild documentation as enterprise-grade TLAS platform

- Migrate from custom HTTP server to VitePress framework
- Rename project to Tokenized License Approval System (TLAS)
- Add comprehensive documentation for all stakeholders:
  - Business: Executive summary, value proposition, governance
  - Operations: Infrastructure, installation, monitoring, backup
  - Departments: User guide, workflows, verification, issuance
  - Developers: API reference, authentication, webhooks, SDKs
  - Compliance: OWASP, DPDP Act, IT Act, audit framework
- Add modern theme with dark mode and full-text search
- Update Dockerfile for VitePress build process

Co-Authored-By: Claude Opus 4.5 <noreply@anthropic.com>

Documentation/operations/configuration.md

@@ -0,0 +1,83 @@
+# Configuration
+
+## Environment Variables
+
+### Application
+
+| Variable | Description | Example |
+|----------|-------------|---------|
+| `NODE_ENV` | Runtime environment | `production` |
+| `PORT` | API server port | `3000` |
+| `LOG_LEVEL` | Logging verbosity | `info` |
+
+### Database
+
+| Variable | Description | Example |
+|----------|-------------|---------|
+| `DB_HOST` | PostgreSQL host | `postgres.internal` |
+| `DB_PORT` | PostgreSQL port | `5432` |
+| `DB_USER` | Database user | `tlas_app` |
+| `DB_PASSWORD` | Database password | `<secure>` |
+| `DB_NAME` | Database name | `tlas_prod` |
+
+### Authentication
+
+| Variable | Description | Example |
+|----------|-------------|---------|
+| `JWT_SECRET` | Token signing key | `<64-char-random>` |
+| `JWT_EXPIRY` | Token lifetime | `3600` |
+
+### Blockchain
+
+| Variable | Description | Example |
+|----------|-------------|---------|
+| `BESU_RPC_URL` | Besu JSON-RPC endpoint | `http://besu:8545` |
+| `CONTRACT_ADDRESS` | NFT contract address | `0x123...` |
+| `WALLET_PRIVATE_KEY` | Signing wallet key | `<secure>` |
+
+### External Services
+
+| Variable | Description | Example |
+|----------|-------------|---------|
+| `DIGILOCKER_CLIENT_ID` | DigiLocker OAuth client | `<client-id>` |
+| `DIGILOCKER_SECRET` | DigiLocker OAuth secret | `<secret>` |
+| `SMTP_HOST` | Email server | `smtp.gov.in` |
+| `SMS_API_KEY` | SMS gateway key | `<api-key>` |
+
+## Configuration Files
+
+### `config/production.yaml`
+
+```yaml
+server:
+  port: 3000
+  cors:
+    origins:
+      - https://tlas.gov.in
+      - https://admin.tlas.gov.in
+
+database:
+  pool:
+    min: 5
+    max: 20
+
+blockchain:
+  confirmations: 2
+  gasLimit: 500000
+
+upload:
+  maxSize: 10485760  # 10MB
+  allowedTypes:
+    - application/pdf
+    - image/jpeg
+    - image/png
+```
+
+## Secrets Management
+
+Store sensitive values in:
+- Environment variables (Docker/Kubernetes)
+- HashiCorp Vault
+- AWS Secrets Manager
+
+Never commit secrets to version control.