cleaned tutorial 2

Author: simongravelle

docs/index.html

@@ -47,7 +47,7 @@ <h2>
                             <span class="image">
                                 <img src="avatars/level1/protein-in-electrolyte/protein-in-electrolyte.png" alt="gromacs tutorial logo" />
                             </span>
-                            <a href="sphinx/build/html/tutorials/level1/protein-in-electrolyte.html">
+                            <a href="sphinx/build/html/tutorials/tutorial2/protein-in-electrolyte.html">
                                 <div class="content">
                                     <p align="left">
                                         Simulating a <b>protein</b> in an electrolyte

docs/sphinx/source/index.rst

@@ -13,7 +13,7 @@ GROMACS tutorials
     :caption: Tutorials
 
     tutorials/tutorial1/bulk-solution.rst
-    tutorials/level1/protein-in-electrolyte.rst
+    tutorials/tutorial2/protein-in-electrolyte.rst
     tutorials/level2/stretching-a-polymer.rst
     tutorials/level3/solvation-energy.rst
     tutorials/level3/adsorption-ethanol.rst

docs/sphinx/source/non-tutorials/links.rst

@@ -44,4 +44,16 @@
 
 .. |patreon| raw:: html
 
-    <a href="https://www.patreon.com/molecularsimulations" target="_blank">patreon</a>
+    <a href="https://www.patreon.com/molecularsimulations" target="_blank">patreon</a>
+
+.. |Protein-Data-Bank| raw:: html
+
+   <a href="https://www.rcsb.org/structure/1CTA" target="_blank">Protein Data Bank</a>
+
+.. |1cta-pdb| raw:: html
+
+    <a href="https://raw.githubusercontent.com/gromacstutorials/gromacstutorials-inputs/main/level1/protein-in-electrolyte/1cta.pdb" target="_blank">1cta.pdb</a>
+
+.. |trjconv| raw:: html
+
+   <a href="https://manual.gromacs.org/current/onlinehelp/gmx-trjconv.html" target="_blank">trjconv</a>