Add more files for creating a drawing

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

@@ -0,0 +1,13 @@
+import { XmlComponent } from "file/xml-components";
+import { BlipFill } from "./blip/blip-fill";
+import { NonVisualPicProperties } from "./non-visual-pic-properties/non-visual-pic-properties";
+
+export class Pic extends XmlComponent {
+
+    constructor(referenceId: number) {
+        super("pic:pic");
+
+        this.root.push(new NonVisualPicProperties());
+        this.root.push(new BlipFill(referenceId));
+    }
+}