Add eslint and prettier with configuration

.eslintrc.json

@@ -0,0 +1,8 @@
+{
+  "extends": ["airbnb", "prettier"],
+  "plugins": ["prettier"],
+  "rules": {
+    "prettier/prettier": ["error"]
+  },
+}
+

.prettierrc

@@ -0,0 +1,11 @@
+{
+  "printWidth": 80,
+  "tabWidth": 2,
+  "useTabs": false,
+  "semi": true,
+  "singleQuote": true,
+  "trailingComma": "all",
+  "bracketSpacing": true,
+  "jsxBracketSameLine": false,
+  "arrowParens": "always"
+}

package.json

@@ -37,13 +37,21 @@
     "@fortawesome/fontawesome-free": "^5.6.3",
     "bootstrap": "^4.4.1",
     "chart.js": "^2.7.2",
+    "eslint": "^6.8.0",
+    "eslint-config-airbnb": "^18.0.1",
+    "eslint-config-prettier": "^6.10.0",
+    "eslint-plugin-import": "^2.20.0",
+    "eslint-plugin-jsx-a11y": "^6.2.3",
+    "eslint-plugin-prettier": "^3.1.2",
+    "eslint-plugin-react": "^7.18.0",
     "foreman": "^3.0.0",
     "form-validator-simple": "^0.1.1",
     "fuse.js": "^3.2.1",
     "i": "^0.3.6",
     "parse-price": "^1.1.8",
     "particles.js": "^2.0.0",
     "popper.js": "^1.14.3",
+    "prettier": "^1.19.1",
     "react": "^16.4.1",
     "react-dom": "^16.4.1",
     "react-jsonschema-form": "^1.0.3"