updating Spark readme

Author: EcZachly

bootcamp/materials/3-spark-fundamentals/README.md

@@ -1,15 +1,25 @@
-# Week 6 Infrastructure Track Spark Training
+# Week 3 Spark Fundamentals training
 
+## Unit Testing PySpark Course Getting Started
 
+You need to install the required dependencies in `requirements.txt`
 
-## Usage
+Running `pip install -r requirements.txt` will install them.
 
-To launch the spark and iceberg docker containers, run:
+Running pytest is easy. You just need to run `pytest` and you're good to go!
+
+
+
+## Spark Fundamentals and Advanced Spark Setup
+
+To launch the Spark and Iceberg Docker containers, run:
 
 ```bash
 make up
 ```
 
+Or `docker compose up` if you're on Windows!
+
 Then, you should be able to access a Jupyter notebook at `localhost:8888`.
 
 The first notebook to be able to run is the `event_data_pyspark.ipynb` inside the `notebooks` folder.