feat: add support for Sprite

data/olStyles/point_icon_sprite.ts

@@ -0,0 +1,13 @@
+import OlStyle from 'ol/style/Style';
+import OlStyleIcon from 'ol/style/Icon';
+
+const olIconSpritePoint = new OlStyle({
+  image: new OlStyleIcon({
+    src: 'https://testurl.com/sprites/mysprite',
+    offset: [20, 20],
+    offsetOrigin: 'top-left',
+    size: [10, 10]
+  })
+});
+
+export default olIconSpritePoint;

data/styles/point_icon_sprite.ts

@@ -0,0 +1,21 @@
+import { Style } from 'geostyler-style';
+
+const pointSpritePoint: Style = {
+  name: 'OL Style',
+  rules: [
+    {
+      name: 'OL Style Rule 0',
+      symbolizers: [{
+        kind: 'Icon',
+        image: {
+          source: 'https://testurl.com/sprites/mysprite',
+          position: [20, 20],
+          size: [10, 10]
+        },
+        size: 10
+      }]
+    }
+  ]
+};
+
+export default pointSpritePoint;