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README.md

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+# Valetax Test Application
+
+This is an ASP.NET Core 10 application with REST API that implements the requirements from the ValetaxTest.pdf document.
+
+## Features Implemented
+
+1. **Tree Node Management**
+   - Create independent trees with nodes
+   - Each node belongs to a single tree
+   - Child nodes belong to the same tree as their parent
+   - Unique node names within the same parent
+   - Delete nodes with all their descendants
+   - Rename nodes
+
+2. **Exception Journal**
+   - Track all exceptions during REST API request processing
+   - Store unique Event ID, Timestamp, query/body parameters, and stack trace
+   - Custom SecureException handling
+
+3. **API Endpoints**
+   - Journal API: getRange, getSingle
+   - Authentication API: rememberMe (simplified implementation)
+   - Tree API: get
+   - Node API: create, delete, rename
+
+## Database Setup
+
+The application uses PostgreSQL as the database. To set up the database:
+
+1. Make sure you have PostgreSQL installed and running
+2. Create a database named "valetax"
+3. Update the connection string in appsettings.json if needed
+
+## Running Migrations
+
+To create and run the database migration, execute the following commands:
+
+```bash
+dotnet ef migrations add InitialCreate
+dotnet ef database update
+```
+
+## Running the Application
+
+To run the application:
+
+```bash
+dotnet run
+```
+
+The API will be available at https://localhost:7153 or http://localhost:5090.
+
+## API Documentation
+
+The API follows the Swagger specification provided in the requirements. You can access the OpenAPI documentation at `/openapi/v1.json` when running in development mode.