docs: Add prettier support

Official guidelines:
https://prettier.io/docs/en/install.html
https://prettier.io/docs/en/integrating-with-linters.html
https://github.com/prettier/eslint-config-prettier

Steps taken:
npm install --save-dev --save-exact prettier
Create .prettierignore
Create .prettierrc.js
npm install --save-dev eslint-config-prettier
Edit .eslintrc.js

docs/.eslintrc.js

@@ -5,7 +5,12 @@ module.exports = {
     es2021: true,
     node: true,
   },
-  extends: ["eslint:recommended", "plugin:react/recommended"],
+  extends: [
+    "eslint:recommended",
+    "plugin:react/recommended",
+    "prettier",
+    "prettier/react",
+  ],
   parserOptions: {
     ecmaFeatures: {
       jsx: true,

docs/.prettierignore

@@ -0,0 +1,3 @@
+node_modules
+build
+.docusaurus

docs/.prettierrc.js

@@ -0,0 +1 @@
+module.exports = {};

docs/package-lock.json

@@ -15,7 +15,9 @@
       },
       "devDependencies": {
         "eslint": "^7.12.0",
-        "eslint-plugin-react": "^7.21.5"
+        "eslint-config-prettier": "^6.14.0",
+        "eslint-plugin-react": "^7.21.5",
+        "prettier": "2.1.2"
       }
     },
     "node_modules/@algolia/cache-browser-local-storage": {
@@ -5303,6 +5305,21 @@
         "url": "https://opencollective.com/eslint"
       }
     },
+    "node_modules/eslint-config-prettier": {
+      "version": "6.14.0",
+      "resolved": "https://registry.npmjs.org/eslint-config-prettier/-/eslint-config-prettier-6.14.0.tgz",
+      "integrity": "sha512-DbVwh0qZhAC7CNDWcq8cBdK6FcVHiMTKmCypOPWeZkp9hJ8xYwTaWSa6bb6cjfi8KOeJy0e9a8Izxyx+O4+gCQ==",
+      "dev": true,
+      "dependencies": {
+        "get-stdin": "^6.0.0"
+      },
+      "bin": {
+        "eslint-config-prettier-check": "bin/cli.js"
+      },
+      "peerDependencies": {
+        "eslint": ">=3.14.1"
+      }
+    },
     "node_modules/eslint-plugin-react": {
       "version": "7.21.5",
       "resolved": "https://registry.npmjs.org/eslint-plugin-react/-/eslint-plugin-react-7.21.5.tgz",
@@ -6475,6 +6492,15 @@
       "resolved": "https://registry.npmjs.org/get-own-enumerable-property-symbols/-/get-own-enumerable-property-symbols-3.0.2.tgz",
       "integrity": "sha512-I0UBV/XOz1XkIJHEUDMZAbzCThU/H8DxmSfmdGcKPnVhu2VfFqr34jr9777IyaTYvxjedWhqVIilEDsCdP5G6g=="
     },
+    "node_modules/get-stdin": {
+      "version": "6.0.0",
+      "resolved": "https://registry.npmjs.org/get-stdin/-/get-stdin-6.0.0.tgz",
+      "integrity": "sha512-jp4tHawyV7+fkkSKyvjuLZswblUtz+SQKzSWnBbii16BuZksJlU1wuBYXY75r+duh/llF1ur6oNwi+2ZzjKZ7g==",
+      "dev": true,
+      "engines": {
+        "node": ">=4"
+      }
+    },
     "node_modules/get-stream": {
       "version": "4.1.0",
       "resolved": "https://registry.npmjs.org/get-stream/-/get-stream-4.1.0.tgz",
@@ -10485,6 +10511,18 @@
       "resolved": "https://registry.npmjs.org/prepend-http/-/prepend-http-1.0.4.tgz",
       "integrity": "sha1-1PRWKwzjaW5BrFLQ4ALlemNdxtw="
     },
+    "node_modules/prettier": {
+      "version": "2.1.2",
+      "resolved": "https://registry.npmjs.org/prettier/-/prettier-2.1.2.tgz",
+      "integrity": "sha512-16c7K+x4qVlJg9rEbXl7HEGmQyZlG4R9AgP+oHKRMsMsuk8s+ATStlf1NpDqyBI1HpVyfjLOeMhH2LvuNvV5Vg==",
+      "dev": true,
+      "bin": {
+        "prettier": "bin-prettier.js"
+      },
+      "engines": {
+        "node": ">=10.13.0"
+      }
+    },
     "node_modules/pretty-error": {
       "version": "2.1.2",
       "resolved": "https://registry.npmjs.org/pretty-error/-/pretty-error-2.1.2.tgz",
@@ -20439,6 +20477,15 @@
         }
       }
     },
+    "eslint-config-prettier": {
+      "version": "6.14.0",
+      "resolved": "https://registry.npmjs.org/eslint-config-prettier/-/eslint-config-prettier-6.14.0.tgz",
+      "integrity": "sha512-DbVwh0qZhAC7CNDWcq8cBdK6FcVHiMTKmCypOPWeZkp9hJ8xYwTaWSa6bb6cjfi8KOeJy0e9a8Izxyx+O4+gCQ==",
+      "dev": true,
+      "requires": {
+        "get-stdin": "^6.0.0"
+      }
+    },
     "eslint-plugin-react": {
       "version": "7.21.5",
       "resolved": "https://registry.npmjs.org/eslint-plugin-react/-/eslint-plugin-react-7.21.5.tgz",
@@ -21429,6 +21476,12 @@
       "resolved": "https://registry.npmjs.org/get-own-enumerable-property-symbols/-/get-own-enumerable-property-symbols-3.0.2.tgz",
       "integrity": "sha512-I0UBV/XOz1XkIJHEUDMZAbzCThU/H8DxmSfmdGcKPnVhu2VfFqr34jr9777IyaTYvxjedWhqVIilEDsCdP5G6g=="
     },
+    "get-stdin": {
+      "version": "6.0.0",
+      "resolved": "https://registry.npmjs.org/get-stdin/-/get-stdin-6.0.0.tgz",
+      "integrity": "sha512-jp4tHawyV7+fkkSKyvjuLZswblUtz+SQKzSWnBbii16BuZksJlU1wuBYXY75r+duh/llF1ur6oNwi+2ZzjKZ7g==",
+      "dev": true
+    },
     "get-stream": {
       "version": "4.1.0",
       "resolved": "https://registry.npmjs.org/get-stream/-/get-stream-4.1.0.tgz",
@@ -25443,6 +25496,12 @@
       "resolved": "https://registry.npmjs.org/prepend-http/-/prepend-http-1.0.4.tgz",
       "integrity": "sha1-1PRWKwzjaW5BrFLQ4ALlemNdxtw="
     },
+    "prettier": {
+      "version": "2.1.2",
+      "resolved": "https://registry.npmjs.org/prettier/-/prettier-2.1.2.tgz",
+      "integrity": "sha512-16c7K+x4qVlJg9rEbXl7HEGmQyZlG4R9AgP+oHKRMsMsuk8s+ATStlf1NpDqyBI1HpVyfjLOeMhH2LvuNvV5Vg==",
+      "dev": true
+    },
     "pretty-error": {
       "version": "2.1.2",
       "resolved": "https://registry.npmjs.org/pretty-error/-/pretty-error-2.1.2.tgz",

docs/package.json

@@ -29,6 +29,8 @@
   },
   "devDependencies": {
     "eslint": "^7.12.0",
-    "eslint-plugin-react": "^7.21.5"
+    "eslint-config-prettier": "^6.14.0",
+    "eslint-plugin-react": "^7.21.5",
+    "prettier": "2.1.2"
   }
 }