[Jest]: Added initial code for jest-mochawesome-reporter

jest-mochawesome-reporter/.eslintignore

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+/node_modules
+/dist

jest-mochawesome-reporter/.eslintrc.js

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+const resolve = {
+  extensions: ['.js', '.ts'],
+};
+
+module.exports = {
+  extends: [
+    '@mate-academy/eslint-config-internal',
+  ],
+  env: {
+    node: true,
+    mocha: true,
+  },
+  rules: {
+    // note you must disable the base rule as it can report incorrect errors
+    'no-redeclare': 'off',
+    // note you must disable the base rule as it can report incorrect errors
+    'no-shadow': 'off',
+    camelcase: 'off',
+    'class-methods-use-this': 'off',
+    'no-console': 'off',
+    'no-restricted-syntax': 'off',
+    'no-underscore-dangle': 'off',
+  },
+  ignorePatterns: [
+    '**/node_modules/*',
+    '**/dist/*',
+  ],
+  settings: {
+    'import/resolver': {
+      node: {
+        extensions: resolve.extensions,
+      },
+    },
+  },
+};

jest-mochawesome-reporter/.gitignore

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+# IDE
+.idea
+.vscode
+
+# Node
+node_modules
+
+# MacOS
+.DS_Store
+
+# Generated files
+dist
+
+# Environment
+.env

jest-mochawesome-reporter/.nvmrc

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+v18

jest-mochawesome-reporter/README.md

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+# `@mate-academy/jest-mochawesome-reporter` npm package
+
+## Description
+
+This package is a reporter for Jest that generates a report in mochawesome compatible JSON format. You can use it with [mochawesome](https://www.npmjs.com/package/mochawesome) to show a fancy report in HTML format.
+
+## Install
+- `npm i -D @mate-academy/jest-mochawesome-reporter`
+
+## Usage
+- add `@mate-academy/jest-mochawesome-reporter` to `jest.config.js`:
+
+```js
+module.exports = {
+  ...
+  reporters: [
+    'default', // to see console output
+    '@mate-academy/jest-mochawesome-reporter'
+  ],
+  ...
+};
+```
+- configuration is optional, default values:
+
+```js
+module.exports = {
+  ...
+  reporters: [
+    'default',
+    [
+      '@mate-academy/jest-mochawesome-reporter',
+      {
+        outputDir: '<globalConfig.rootDir>', // rootDir from jest.config.js
+        outputName: 'jest-mochawesome',
+        createDirIfMissing: false,
+      },
+    ],
+  ],
+  ...
+};
+```
+