update links to ElectromagneticScattering and NonLinearEVP

photonics/index.html

@@ -71,14 +71,17 @@
     in <code><a href="https://gitlab.onelab.info/doc/models/-/wikis/Diffraction-gratings"
     >models/DiffractionGratings</a></code>.
   <li>A general 3D scattering model<a href="#4"><sup>4</sup></a> is available
-    in <code>models/ElectromagneticScattering</code>.
+    in <code><a href="https://gitlab.onelab.info/doc/models/-/tree/master/ElectromagneticScattering"
+    >models/ElectromagneticScattering</a></code>.
   <li>A model for the computation of the Bloch dispersion relation in conical
     mounts<a href="#6"><sup>6</sup></a> is avalable
     in <code><a href="https://gitlab.onelab.info/doc/models/-/wikis/Bloch-modes-in-periodic-waveguides"
     >models/BlochPeriodicWaveguides</a></code>.
   <li>A collection of non-Linear eigenvalue
-      problems<a href="#7"><sup>7-8</sup></a> (quadratic, polynomial and
-      rational) is avaiable in <code>models/NonLinearEVP</code>.
+    problems<a href="#7"><sup>7-8</sup></a> (quadratic, polynomial and
+    rational) is avaiable in
+    <code><a href="https://gitlab.onelab.info/doc/models/-/tree/master/NonLinearEVP"
+    >models/NonLinearEVP</a></code>.
 </ul>
 
 <h2>References</h2>