adds eslint and prettier

frontend/.eslintrc.cjs

@@ -0,0 +1,39 @@
+module.exports = {
+  env: {
+    browser: true,
+    es2021: true,
+    node: true
+  },
+  extends: [
+    'eslint:recommended',
+    'plugin:@typescript-eslint/recommended',
+    'plugin:react/recommended',
+    'plugin:prettier/recommended',
+  ],
+  overrides: [
+  ],
+  parser: '@typescript-eslint/parser',
+  parserOptions: {
+    ecmaVersion: 'latest',
+    sourceType: 'module'
+  },
+  plugins: [
+    'react'
+  ],
+  rules: {
+  },
+  settings: {
+    'import/parsers': {
+      '@typescript-eslint/parser': ['.ts', '.tsx'],
+    },
+    react: {
+      version: "detect",
+    },
+    'import/resolver': {
+      node: {
+        paths: ['src'],
+        extensions: ['.js', '.jsx', '.ts', '.tsx'],
+      },
+    },
+  },
+}