Make adding images declarative and simple

src/file/paragraph/run/index.ts

@@ -2,7 +2,7 @@ export * from "./run";
 export * from "./properties";
 export * from "./text-run";
 export * from "./symbol-run";
-export * from "./picture-run";
+export * from "./image-run";
 export * from "./run-fonts";
 export * from "./sequential-identifier";
 export * from "./underline";