add seq

app.py

@@ -83,10 +83,12 @@ def molecule(input_pdb, h_seq, l_seq):
     allow-top-navigation-by-user-activation allow-downloads" allowfullscreen="" 
     allowpaymentrequest="" frameborder="0" srcdoc='{x}'></iframe>
   <div style="position: absolute; top: 10px; right: 10px; background-color: white; padding: 10px; border: 1px solid black;">
-  <div style="display: flex; justify-content: space-between; margin-top: 5px;">
-        <span>Residue number</span>
+  <div style="position: absolute; top: 10px; right: 10px; background-color: white; padding: 10px; border: 1px solid black;">
+        <div style="width: 20px; height: 20px; background-color: red; display: inline-block;"></div>
+        <span style="margin-left: 5px;">Heavy chain</span><br>
+        <div style="width: 20px; height: 20px; background-color: blue; display: inline-block;"></div>
+        <span style="margin-left: 5px;">Light chain</span>
     </div>
-  <div style="height: 150px; background: linear-gradient(to bottom, red, yellow, green, blue);"></div>
  
     <div style="display: flex; justify-content: space-between; margin-top: 5px;">
         <a href="data:application/octet-stream;base64,{base64_content}" download="structure.pdb">Download File</a>