update roli theme

Author: steven-mercatante

package.json

@@ -9,6 +9,7 @@
     "format": "prettier '**/*.js' --write",
     "test": "jest",
     "watch": "watch 'npm run build' ./src",
+    "prepare": "npm run build",
     "build": "rollup -c",
     "storybook": "start-storybook -p 9009 -s public",
     "build-storybook": "build-storybook -c .storybook -o .out"

src/themes/roli.js

@@ -13,8 +13,8 @@ const roliTheme = merge({}, defaultTheme, {
   marker: {
     width: '16px',
     height: '16px',
-    backgroundColor: '#fff',
-    border: 'none',
+    backgroundColor: '#E167BA',
+    border: '2px solid #fff',
     borderRadius: '50%',
     left: '1px',
   },