refactor: use memoization and native NextJS router queries to reduce re-renders (#85)

Co-authored-by: Eric Fennis <eric.fennis@gmail.com>

packages/site/jest.config.js

@@ -0,0 +1,7 @@
+module.exports = {
+  testPathIgnorePatterns: ['<rootDir>/.next/', '<rootDir>/node_modules/'],
+  setupFilesAfterEnv: ['<rootDir>/setupTests.js'],
+  transform: {
+    '^.+\\.(js|jsx|ts|tsx)$': '<rootDir>/../../node_modules/babel-jest',
+  },
+};