Progress on embeddding image

src/file/drawing/inline/graphic/graphic-data/graphic-data.ts

@@ -0,0 +1,16 @@
+import { XmlComponent } from "file/xml-components";
+import { GraphicDataAttributes } from "./graphic-data-attribute";
+import { Pic } from "./pic";
+
+export class GraphicData extends XmlComponent {
+
+    constructor(referenceId: number) {
+        super("a:graphicData");
+
+        this.root.push(new GraphicDataAttributes({
+            uri: "http://schemas.openxmlformats.org/drawingml/2006/picture",
+        }));
+
+        this.root.push(new Pic(referenceId));
+    }
+}