added typescript, jest, react-testing library, updated packes, added …

…tailwing, edited webpack and config

jest-setup.ts

@@ -0,0 +1 @@
+import '@testing-library/jest-dom';

jest.config.ts

@@ -0,0 +1,27 @@
+/** @type {import('ts-jest').JestConfigWithTsJest} */
+module.exports = {
+  testEnvironment: 'jsdom',
+
+  // The root of your source code, typically /src
+  // `<rootDir>` is a token Jest substitutes
+  roots: ['<rootDir>/src'],
+
+  // Jest transformations -- this adds support for TypeScript
+  // using ts-jest
+  transform: {
+    '^.+\\.tsx?$': 'ts-jest',
+  },
+
+  // Runs special logic, such as cleaning up components
+  // when using React Testing Library and adds special
+  // extended assertions to Jest
+  setupFilesAfterEnv: ['<rootDir>/jest-setup.ts'],
+
+  // Test spec file resolution pattern
+  // Matches parent folder `__tests__` and filename
+  // should contain `test` or `spec`.
+  testRegex: '(/__tests__/.*|(\\.|/)(test|spec))\\.tsx?$',
+
+  // Module file extensions for importing
+  moduleFileExtensions: ['ts', 'tsx', 'js', 'jsx', 'json', 'node'],
+};