update packages and added prettier

Author: synle

.prettierrc

@@ -0,0 +1,13 @@
+{
+  "printWidth": 100,
+  "semi": true,
+  "useTabs": false,
+  "tabWidth": 2,
+  "singleQuote": true,
+  "trailingComma": "all",
+  "bracketSpacing": true,
+  "bracketSameLine": true,
+  "jsxSingleQuote": true,
+  "arrowParens": "always",
+  "endOfLine": "lf"
+}

config-overrides.js

@@ -5,23 +5,16 @@ module.exports = function override(config, env) {
     // salesforce dependencies
     // this will compile salesforce lightning as src, not as package
     {
-        test: /\.jsx?$/,
-        include: [
-          'node_modules/@salesforce/design-system-react',
-        ].map(
-          someDir => path.resolve(
-            process.cwd(),
-            someDir
-          )
-        ),
-        loader: require.resolve('babel-loader'),
-        options: {
-          presets: [
-            "react-app"
-          ],
-        },
+      test: /\.jsx?$/,
+      include: ['node_modules/@salesforce/design-system-react'].map((someDir) =>
+        path.resolve(process.cwd(), someDir),
+      ),
+      loader: require.resolve('babel-loader'),
+      options: {
+        presets: ['react-app'],
+      },
     },
   ].concat(config.module.rules);
 
   return config;
-}
+};