seaborn added to readme and check_environment

Author: luisub

README.md

@@ -94,7 +94,7 @@ Once you have conda installed, we need to create a new environment for the class
    3. ```conda activate uqbio2024_py310```
    ![](./uqbio2024_files/step3.png) you should see your current environment switch to (uqbio2024_py310)
 
-   4. ```conda install numpy pandas scipy jupyter ipython matplotlib pillow scikit-image tifffile beautifulsoup4 scikit-learn conda-forge::trackpy```
+   4. ```conda install numpy pandas scipy jupyter ipython matplotlib pillow scikit-image seaborn tifffile beautifulsoup4 scikit-learn conda-forge::trackpy```
    ![](./uqbio2024_files/step4.png)
       * Note this command will take a while and will ask for your confirmation!
 

check_environment.py

@@ -11,6 +11,7 @@
 import torch; 
 import cellpose; 
 import trackpy;
+import seaborn;
 print('All packages imported correctly.')
 
 print('PyTorch has GPU enabled?')