Progress on embeddding image

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

@@ -0,0 +1,11 @@
+import { XmlAttributeComponent } from "file/xml-components";
+
+export interface IGraphicDataAttributes {
+    uri?: string;
+}
+
+export class GraphicDataAttributes extends XmlAttributeComponent<IGraphicDataAttributes> {
+    protected xmlKeys = {
+        uri: "uri",
+    };
+}