Enforce formatting with prettier

[geordieek]

Is your feature request related to a problem? Please describe.
Different formatting for difference contributors can be easily fixed with prettier

Describe the solution you'd like

• Add .prettierrc to file, can discuss the suggested config here

Other alternatives or extensions

• enforce other styles with eslint (eg. no-console)
• enforce formatting on commit with husky
• add a .vscode folder with extension recommendations to include vscode-prettier