Update "How We Work" section

[specollective-admin]

Pull Request Process

Describe the issue you are trying to resolve

Update fiscal sponosrship information.

Describe the changes you've made to resolve the issue

Simple copy change on landing page.

Add screenshots of the UI before and after your changes have been made

Just adding copy about Hack Club Bank

Code Review Checklist

• [X] Have the package.json or package-lock.json been changed? If so, does the pull request description say why?
• [X] Has the UI for mobile and desktop been changed, did you test on IphoneXr and desktop views?
• [X] Does the UI match the requirements in the ticket and designs in figma; does it pass the visual smell test?
• [X] Have TypeScript files been changed, does the TypeScript pass the smell test?
• [X] If you don't feel super confident in your review, did you assign someone more senior to double check?