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/departments/index.md

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+# Department User Guide
+
+## Overview
+
+This guide covers daily operations for department staff processing license applications through TLAS.
+
+## Logging In
+
+1. Navigate to your department portal URL
+2. Enter your department code and API key
+3. Click "Sign In"
+
+Your dashboard displays:
+- Pending applications in your queue
+- Applications requiring attention (SLA warnings)
+- Recent activity summary
+
+## Queue Management
+
+### Viewing Your Queue
+
+The main queue shows applications assigned to you:
+
+| Column | Description |
+|--------|-------------|
+| Application ID | Unique identifier |
+| Applicant | Name and contact |
+| License Type | Category of license |
+| Submitted | Date received |
+| Status | Current stage |
+| SLA | Time remaining |
+
+### Filtering and Sorting
+
+- Filter by status: Pending, In Review, Returned
+- Filter by license type
+- Sort by date, SLA urgency, or applicant name
+- Search by application ID or applicant name
+
+## Processing Applications
+
+### Review Checklist
+
+1. Open application from queue
+2. Verify applicant information
+3. Check all required documents are present
+4. Validate document authenticity
+5. Review any previous notes or history
+6. Take action: Approve, Reject, or Return
+
+### Document Verification
+
+For each uploaded document:
+- View full document
+- Check document type matches requirement
+- Verify document is legible
+- Compare with DigiLocker records if available
+- Add verification notes
+
+### Taking Action
+
+**Approve**: Application moves to next stage or final issuance
+- Requires all documents verified
+- Add approval notes (optional)
+
+**Reject**: Application is denied
+- Select rejection reason from list
+- Provide detailed explanation
+- Applicant notified with reason
+
+**Return**: Application sent back for corrections
+- Specify what needs correction
+- Select affected documents
+- Applicant can resubmit
+
+## Workflow Stages
+
+Each license type has defined stages:
+
+```
+Document Verification → Technical Review → Supervisor Approval → Issuance
+```
+
+Your role determines which stages you can process.
+
+## Keyboard Shortcuts
+
+| Key | Action |
+|-----|--------|
+| `N` | Next application |
+| `P` | Previous application |
+| `A` | Approve (if eligible) |
+| `R` | Return to applicant |
+| `/` | Search |
+
+## Need Help?
+
+Contact your Department Administrator or IT support for assistance.