chore: add not implemented marker

Author: Xiphoseer

crates/sdo-web/src/staged.rs

@@ -1,4 +1,5 @@
-use wasm_bindgen::JsValue;
+use wasm_bindgen::{JsCast, JsValue};
+use web_sys::HtmlAnchorElement;
 
 use crate::Handle;
 
@@ -9,6 +10,14 @@ impl Handle {
         self.output.append_child(&heading)?;
         let p = self.document.create_element("p")?;
         p.append_with_str_1("Signum! 3/4 Document")?;
+        let br = self.document.create_element("br")?;
+        p.append_child(&br)?;
+        let a = self.document.create_element("a")?;
+        a.set_text_content(Some("Not yet implemented"));
+        let a = a.dyn_ref::<HtmlAnchorElement>().unwrap();
+        a.set_href("https://github.com/Xiphoseer/sdo-tool/issues/19");
+        a.set_target("_blank");
+        p.append_child(a)?;
         self.output.append_child(&p)?;
         Ok(())
     }