update risp version, ability to show images; add stvo

src/law.rs

@@ -24,6 +24,9 @@ fn print_content(content: Content) -> String {
     let mut ret = String::new();
 
     match content {
+        Content::Image(url) => {
+            ret.push_str(&format!("<img src='https://www.ris.bka.gv.at/{url}' />"))
+        }
         Content::Text(t) => ret.push_str(&format!("<span class='content'>{t}</span>")),
         Content::List(l) => {
             ret.push_str("<ul class='content list'>");