Merged PR 95: Apply precommits and add precommit to build pipeline

## Summary
The code changes are purely cosmetic- the result of applying pre-commit to all our files. I also added a pre-commit step to the build pipeline to reject non-conforming PRs

## Test process
I saw that the build pipeline passes with this new step.

## Checklist
- [ ] This PR is linked to a **work item**
- [x] I have performed **self-review** of the code
- [ ] I have written **tests** for any new functionality added with this PR
- [ ] I have updated the **documentation** if this PR changes or adds functionality
- [x] I have run **pre-commit** checks for code style

Related work items: #1557

src/primaite/environment/primaite_env.py

@@ -197,7 +197,6 @@ class Primaite(Env):
         try:
             plt.tight_layout()
             nx.draw_networkx(self.network, with_labels=True)
-            # now = datetime.now()  # current date and time
 
             file_path = session_path / f"network_{timestamp_str}.png"
             plt.savefig(file_path, format="PNG")