add prettier config

Author: soumsps

Diff for: .prettierrc

@@ -0,0 +1,8 @@
+{
+  "printWidth": 80,
+  "tabWidth": 2,
+  "singleQuote": true,
+  "bracketSpacing": true,
+  "arrowParens": "always",
+  "endOfLine": "lf"
+}