Update app.py

app.py

@@ -36,6 +36,7 @@ if lang is not None:
   display = lang.display_name()
 
   st.write(f"BCP-47 tag for {langtext}, according to the langcodes library: {lang}")  
+  st.write(f"Breakdown of tag components: {lang.describe()}")  
   st.write(f"Display name for {lang}: {lang.display_name()}")
   st.write(f"Autonym for {lang}: {lang.autonym()}")
   st.write(f"Alpha3 version (deprecated): {lang.to_alpha3()}")