Loaded image files now appear on screen

src/store/modules/document-module.js

@@ -0,0 +1,25 @@
+import Vue from 'vue';
+import DocumentFactory from '@/factories/document-factory';
+import LayerFactory    from '@/factories/layer-factory';
+import GraphicFactory  from '@/factories/graphic-factory';
+
+export default {
+    state: {
+        document: DocumentFactory.create(),
+    },
+    getters: {
+        document: state => state.document,
+        layers: state => state.document.layers,
+    },
+    mutations: {
+        addLayer( state ) {
+            state.document.layers.push( LayerFactory.create() );
+        },
+        addGraphicToLayer( state, { index, bitmap }) {
+            state.document.layers[ index ]?.graphics.push( GraphicFactory.create( bitmap ));
+        },
+    },
+    actions: {
+
+    }
+}