chore: add missing image

closes #112

src/stemmata.md

@@ -86,4 +86,4 @@ The other five manuscripts from northern Iraq stand in a close relationship. At
 
 The Syriac branch from Northern Iraq possesses many accordances to the Arabic tradition C. All in all, the stemma can be constructed in this way: {.body-2}
 
-image5
+![Stemmata 5](./img/stemmata5.png "Stemmata 5"){ width=100% }