feat/garden privacy

[th0rgall]

• wip: zoom restriction for non-members
• fix: allow garden icons & cluster text to overlap map features
• fix: make mobile breakpoints consistent (max-width: 700 & min-width: 701)
• feat: zoom restriction notice for non-members

[github-actions[bot]]

Visit the preview URL for this PR (updated for commit 5b2e24c):

https://wtmg-dev--pr333-feat-garden-privacy-4glmz5m3.web.app

_{(expires Wed, 09 Aug 2023 09:04:58 GMT)}

_{🔥 via Firebase Hosting GitHub Action 🌎}

_{Sign: 7773005e481e8bc60fd60a58f2d818cc7378f95b}