Better instructions

Author: hoijnet

CONTRIBUTING.md

@@ -28,10 +28,13 @@ poetry install --with dev
 # 6. Install the package in editable mode
 poetry run dev install-dev
 
-# 7. Run tests to verify everything works
+# 7. Start TerminusDB server (for integration tests)
+docker run --pull always -d -p 127.0.0.1:6363:6363 -v terminusdb_storage:/app/terminusdb/storage --name terminusdb terminusdb/terminusdb-server:v12
+
+# 8. Run tests to verify everything works
 poetry run dev test
 
-# 8. Get help with available commands
+# 9. Get help with available commands
 poetry run dev --help
 ```
 
@@ -64,6 +67,17 @@ Make sure you have Python>=3.9 installed. We use [Poetry](https://python-poetry.
    poetry run dev install-dev
    ```
 
+5. Start TerminusDB server (required for integration tests):
+   ```bash
+   docker run --pull always -d -p 127.0.0.1:6363:6363 -v terminusdb_storage:/app/terminusdb/storage --name terminusdb terminusdb/terminusdb-server:v12
+   ```
+   
+   To stop the server when done:
+   ```bash
+   docker stop terminusdb
+   docker rm terminusdb
+   ```
+
 **To run integration tests, Docker must be installed locally.**
 
 We use [shed](https://pypi.org/project/shed/) to lint our code. You can run it manually with `poetry run dev lint`, or set up a pre-commit hook (requires Python 3.10+):