added create picture run method

ts/docx/paragraph/index.ts

@@ -1,5 +1,6 @@
 import { Num } from "../../numbering/num";
 import { Run } from "../run";
+import { PictureRun } from "../run/picture-run";
 import { TextRun } from "../run/text-run";
 import { XmlComponent } from "../xml-components";
 
@@ -36,6 +37,12 @@ export class Paragraph extends XmlComponent {
         return run;
     }
 
+    public createPictureRun(imagePath: string): PictureRun {
+        const run = new PictureRun(imagePath);
+        this.addRun(run);
+        return run;
+    }
+
     public heading1(): Paragraph {
         this.properties.push(new Style("Heading1"));
         return this;