add eslint-config-onepass

.eslintignore

@@ -0,0 +1,2 @@
+node_modules/
+extension/

.eslintrc.json

@@ -0,0 +1,3 @@
+{
+  "extends": ["onepass"]
+}

package.json

@@ -14,11 +14,23 @@
   "devDependencies": {
     "@babel/core": "^7.6.4",
     "@babel/preset-env": "^7.6.3",
+    "babel-eslint": "10.0.3",
     "babel-loader": "^8.0.6",
     "babel-plugin-syntax-dynamic-import": "^6.18.0",
     "css-loader": "^3.2.0",
+    "eslint": "^6.5.1",
+    "eslint-config-airbnb": "^18.0.1",
+    "eslint-config-onepass": "1.4.2",
+    "eslint-config-prettier": "^6.4.0",
+    "eslint-plugin-html": "^6.0.0",
+    "eslint-plugin-import": "^2.18.2",
+    "eslint-plugin-jsx-a11y": "^6.2.3",
+    "eslint-plugin-prettier": "^3.1.1",
+    "eslint-plugin-react": "^7.16.0",
+    "eslint-plugin-react-hooks": "^2.2.0",
     "html-webpack-plugin": "^3.2.0",
     "node-sass": "^4.13.0",
+    "prettier": "^1.18.2",
     "sass-loader": "^8.0.0",
     "style-loader": "^1.0.0",
     "webpack": "^4.41.2",