Add linting and code formatting

web/.eslintrc.js

@@ -0,0 +1,27 @@
+module.exports = {
+  env: {
+    browser: true,
+    es2021: true,
+  },
+  extends: [
+    "plugin:react/recommended",
+    "airbnb",
+    "prettier",
+    "prettier/@typescript-eslint",
+    "prettier/react",
+  ],
+  parser: "@typescript-eslint/parser",
+  parserOptions: {
+    ecmaFeatures: {
+      jsx: true,
+    },
+    ecmaVersion: 12,
+    sourceType: "module",
+  },
+  plugins: ["react", "@typescript-eslint"],
+  rules: {
+    "react/react-in-jsx-scope": "off",
+    "react/jsx-filename-extension": [1, { extensions: [".js", ".jsx", ".tsx"] }],
+    "react/jsx-props-no-spreading": "off",
+  },
+};