app: Extend textarea in recipe creator

app/src/recipe/creator.rs

@@ -344,6 +344,7 @@ pub fn RecipeCreator(cx: Scope) -> Element {
                     textarea {
                         class: "form-control",
                         value: "{steps}",
+                        rows: "10",
                         oninput: move |e| steps.set(e.value.clone())
                     }
                 }