feat: actually adds quiz app files

Author: anthonydmays

lesson_03/quiz/.editorconfig

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+root = true
+
+[*]
+indent_style = space
+indent_size = 2
+end_of_line = lf
+charset = utf-8
+insert_final_newline = true

lesson_03/quiz/.eslintignore

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+build/

lesson_03/quiz/.prettierignore

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+# Ignore artifacts:
+build
+coverage

lesson_03/quiz/.prettierrc

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+{}

lesson_03/quiz/eslint.config.js

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+// @ts-check
+
+import eslint from "@eslint/js";
+import tseslint from "typescript-eslint";
+import eslintConfigPrettier from "eslint-config-prettier";
+
+export default tseslint.config(
+  eslint.configs.recommended,
+  ...tseslint.configs.strict,
+  ...tseslint.configs.stylistic,
+  eslintConfigPrettier,
+  {
+    ignores: ["build"],
+    env: {
+      node: true,
+      jest: true,
+    },
+    rules: {
+      "@typescript-eslint/interface-name-prefix": "off",
+      "@typescript-eslint/explicit-function-return-type": "off",
+      "@typescript-eslint/no-explicit-any": "off",
+    },
+  },
+);

lesson_03/quiz/jest.config.js

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+/** @type {import('ts-jest').JestConfigWithTsJest} **/
+export default {
+  testEnvironment: "node",
+  transform: {
+    "^.+.tsx?$": ["ts-jest", { useESM: true }],
+  },
+  moduleNameMapper: {
+    "^(\\.\\.?\\/.+)\\.js$": "$1",
+  },
+  extensionsToTreatAsEsm: [".ts"],
+};