Add info on how to download compute_metrics_reloaded.py

quick_start_guides/MetricsReloaded_quick_start_guide.md

@@ -29,7 +29,18 @@ python -m pip install -e .
 
 ## Usage
 
-You can use the [compute_metrics_reloaded.py](../compute_metrics/compute_metrics_reloaded.py) script to compute metrics using the MetricsReloaded package.
+You can use the [compute_metrics_reloaded.py](../compute_metrics/compute_metrics_reloaded.py) wrapper script to compute metrics using the MetricsReloaded package.
+
+To download the script, run:
+
+```commandline
+git clone https://github.com/ivadomed/utilities.git
+cd utilities/compute_metrics
+conda activate metrics_reloaded
+python compute_metrics_reloaded.py -h
+```
+
+Examples:
 
 ```commandline
 python compute_metrics_reloaded.py 
@@ -65,4 +76,4 @@ label values `1`, `2`, etc.; e.g., nnunet region-based).
 ## Useful links:
 - [MetricsReloaded documentation](https://metricsreloaded.readthedocs.io/en/latest/)
 - [MetricsReloaded publication](https://www.nature.com/articles/s41592-023-02151-z)
-- [MetricsReloaded preprint](https://arxiv.org/pdf/2206.01653v5.pdf) - preprint contains more figures than the publication
+- [MetricsReloaded preprint](https://arxiv.org/pdf/2206.01653v5.pdf) - preprint contains more figures than the publication