add prettier and reformat all files

Author: dev-javascript

.prettierignore

@@ -0,0 +1,27 @@
+#ide
+/.vscode
+
+# dependencies
+/node_modules
+example/node_modules
+/.pnp
+.pnp.js
+
+# testing
+/coverage
+
+# production
+/build
+/lib
+/dist
+
+# misc
+.DS_Store
+.env.local
+.env.development.local
+.env.test.local
+.env.production.local
+
+npm-debug.log*
+yarn-debug.log*
+yarn-error.log*

.prettierrc.json

@@ -0,0 +1,12 @@
+{
+  "arrowParens": "always",
+  "bracketSpacing": false,
+  "jsxBracketSameLine": true,
+  "printWidth": 120,
+  "semi": true,
+  "singleQuote": true,
+  "tabWidth": 2,
+  "trailingComma": "all",
+  "useTabs": false,
+  "proseWrap": "never"
+}