Add support for dark mode

[aaronbrethorst]

User story

As a transit rider waiting for a bus at night, I want the web app to respect my device's light/dark mode preferences, so that my user experience is more pleasant.

Requirements

• [x] Implement proper support for Dark Mode using Tailwind's dark variant: https://tailwindcss.com/docs/dark-mode
• [x] Implement proper support for Google Maps's Night Mode: https://developers.google.com/maps/documentation/javascript/examples/style-array
• [x] When my device is in light mode, I should see a light-styled UI
• [x] When my device is in dark mode, I should see a dark-styled UI

[tarunsinghofficial]

User story

As a transit rider waiting for a bus at night, I want the web app to respect my device's light/dark mode preferences, so that my user experience is more pleasant.

Requirements

• [ ] Implement proper support for Dark Mode using Tailwind's dark variant: https://tailwindcss.com/docs/dark-mode
• [ ] Implement proper support for Google Maps's Night Mode: https://developers.google.com/maps/documentation/javascript/examples/style-array
• [ ] When my device is in light mode, I should see a light-styled UI
• [ ] When my device is in dark mode, I should see a dark-styled UI

Great choice to add Dark Mode in the application. I will start working on this issue. Thanks