Use absolute import paths instead of relative import paths

[mithi]

• https://jetrockets.pro/blog/absolute-imports-in-next-js
• https://stackoverflow.com/questions/57234811/use-absolute-imports-in-next-js-app-deployed-with-zeit-now
• https://stackoverflow.com/questions/57234811/use-absolute-imports-in-next-js-app-deployed-with-zeit-now/61780091#61780091
• https://nextjs.org/docs/advanced-features/module-path-aliases#absolute-imports-and-module-path-aliases