Update README.md to provide a comprehensive overview of The Order monorepo, including repository structure, quickstart guide, development workflow, and contribution guidelines.

packages/workflows/README.md

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+# @the-order/workflows
+
+Temporal/Step Functions workflow definitions for The Order.
+
+## Usage
+
+```typescript
+import { intakeWorkflow, reviewWorkflow } from '@the-order/workflows';
+
+const result = await intakeWorkflow({
+  documentId: 'doc-123',
+  fileUrl: 'https://...',
+  userId: 'user-123',
+});
+```
+
+## Workflows
+
+- `intakeWorkflow` - Document intake and processing
+- `reviewWorkflow` - Document review and approval
+