[common] Add default Prettier config

.prettierrc.json

@@ -0,0 +1,13 @@
+{
+  "arrowParens": "avoid",
+  "bracketSameLine": false,
+  "bracketSpacing": false,
+  "endOfLine": "lf",
+  "printWidth": 79,
+  "quoteProps": "as-needed",
+  "semi": false,
+  "singleQuote": true,
+  "tabWidth": 2,
+  "trailingComma": "all",
+  "useTabs": false
+}

common/.prettierrc.json

@@ -0,0 +1 @@
+../.prettierrc.json