Add Agent view page

[tsmbland]

Description

Agent view page

• SLD images are done and working with random test data. Using the method from Phil (Agent view #35 (comment)). I'm creating a second SVG and overlaying it on top of the SLD image. Saves the SLD image from being redrawn every update. Just need to add a function to map input data to coordinates - I will set up a new issue
• Map images are done using a similar approach to above. Not sure how they want the dots to be formatted but can easily be changed
• Agent activity and EV charging breakdown figures are done using waffle plots. May need to change the layout a bit, and maybe think about pooling agents instead of a single square for every agent

Close #35

Type of change

• New feature (non-breaking change which adds functionality)
• Optimization (non-breaking, back-end change that speeds up the code)
• Bug fix (non-breaking change which fixes an issue)
• Breaking change (whatever its nature)

Key checklist

• All tests pass (python -m pytest)
• Pre-commit hooks run successfully (pre-commit run --all-files)

[AdrianDAlessandro]

If we remove the SVGs we should remember to squash and merge when we merge this

[AdrianDAlessandro]

This looks really good. A few changes suggested.

[AdrianDAlessandro]

This is really good, I'm happy to merge it now