Understand and render react-native-maps, render a map and plot our icon in the middle

[limetheman]

• Reference this mockup https://www.figma.com/file/AdXbLXen0XZNTqoozEVwgY/Gopher-Tunnels?type=design&node-id=0%3A1&mode=design&t=ibvAoyX45bOUmqIC-1
• [x] Create a Map component folder within the components folder
• [x] Create index.tsx and styles.ts within your component folder
• [x] Render the component inside of the home screen for now
• [x] Import react-native-maps
• [x] Implement the Map component
• [x] Implement the styles within styles.ts
• [x] Submit the changes made as a Pull Request and assign Victor and Liem to review