Chore: init the repo

.eslintignore

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+build
+coverage
+public
+node_modules

.eslintrc.json

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+{
+    "env": {
+        "browser": true,
+        "es2021": true,
+        "jest": true
+    },
+    "extends": [
+       "react-app",
+       "react-app/jest",
+       "airbnb",
+       "plugin:prettier/recommended"
+    ],
+    "parserOptions": {
+        "ecmaFeatures": {
+            "jsx": true
+        },
+        "ecmaVersion": "latest",
+        "sourceType": "module"
+    },
+    "plugins": [
+        "react",
+        "prettier"
+    ],
+    "rules": {
+        "quotes":["error","single",{"avoidEscape": true}],
+        "react/jsx-uses-react":["off"],
+        "react/react-in-jsx-scope":["off"],
+        "react/jsx-props-no-spreading":["warn"],
+        "no-param-reassign":["off"],
+        "react/jsx-filename-extension": [1, { "extensions": [".js", ".jsx"] }],
+        "testing-library/prefer-screen-queries":["off"]
+    }
+}

.github/workflows/node.yml

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+name: Node.js CI
+
+on:
+  push:
+    branches: [ dev ]
+  pull_request:
+    branches: [ dev ]
+
+jobs:
+  build:
+
+    runs-on: ubuntu-latest
+
+    strategy:
+      matrix:
+        node-version: [12.x, 14.x, 15.x]
+
+    steps:
+    - run: echo "🎉 The job was automatically triggered by a ${{ github.event_name }}
+    - run: echo "🐧 This job is now running on a ${{ runner.os }} server hosted by GitHub!"
+    - uses: actions/checkout@v2
+    - name: Use Node.js ${{ matrix.node-version }}
+      uses: actions/setup-node@v1
+      with:
+        node-version: ${{ matrix.node-version }}
+    - run: echo "💻 Installing dependencies."
+    - run: npm ci
+    - run: echo "💅 Running linting."
+    - run: npm run lint
+    - run: echo "🧪 Running all the tests."
+    - run: npm test --passWithNoTests
+    - run: echo "🍏 This job's status is ${{ job.status }}."

.husky/pre-commit

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+#!/bin/sh
+. "$(dirname "$0")/_/husky.sh"
+
+npm run lint

.prettierignore

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+# Ignore artifacts:
+build
+coverage
+public
+node_modules

.prettierrc

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+{
+    "tabWidth": 2,
+    "useTabs": false,
+    "semi": true,
+    "singleQuote": true,
+    "trailingComma": "all",
+    "printWidth": 80
+}