feat: Update to API references look and feel (#343)

Co-authored-by: Vadim Smirnov <smirnou.vadzim@gmail.com>
Co-authored-by: zakariasaad <zakaria.elas@gmail.com>
Co-authored-by: Vilfred Sikker <vilfredsikker@gmail.com>
Co-authored-by: olivermrbl <oliver@mrbltech.com>

www/reference/.babelrc

@@ -0,0 +1,13 @@
+{
+  "presets": [
+    [
+      "babel-preset-gatsby",
+      {
+        "reactRuntime": "automatic",
+        "targets": {
+          "browsers": [">0.25%", "not dead"]
+        }
+      }
+    ]
+  ]
+}