Add linting config

Updates editor config to fix conflicts
.prettierrc could probably be merged into eslint

.editorconfig

@@ -1,11 +1,8 @@
 root = true
 
 [*]
-indent_style = tab
-end_of_line = lf
-charset = utf-8
-trim_trailing_whitespace = true
-insert_final_newline = true
+indent_style = space
+indent_size = 2
 
 [*.yml]
 indent_style = space

.eslintrc

@@ -0,0 +1,11 @@
+{
+  "extends": "airbnb",
+  "globals": {
+    "chrome": "readonly"
+  },
+  "rules": {
+    "react/jsx-one-expression-per-line": [0],
+    "react/jsx-filename-extension": [0]
+  },
+  "parser": "babel-eslint"
+}

.prettierrc

@@ -0,0 +1,7 @@
+{
+	"singleQuote": true,
+	"trailingComma": "es5",
+	"requirePragma": false,
+	"arrowParens": "always",
+	"prettier.eslintIntegration": true
+}

package.json

@@ -40,8 +40,14 @@
   "devDependencies": {
     "@babel/core": "^7.13.1",
     "@babel/preset-react": "^7.12.13",
+    "babel-eslint": "^10.1.0",
     "babel-loader": "^8.2.2",
     "copy-webpack-plugin": "^9.0.0",
+    "eslint": "^7.28.0",
+    "eslint-config-airbnb": "^18.2.1",
+    "eslint-plugin-import": "^2.23.4",
+    "eslint-plugin-jsx-a11y": "^6.4.1",
+    "eslint-plugin-react": "^7.24.0",
     "install": "^0.13.0",
     "npm": "^7.5.6",
     "npm-run-all": "^4.1.5",