Remove code formatting from JSON file references in tutorialSolidHeatTransfer01.html for improved readability

Author: nikoscham

tutorialSolidHeatTransfer01/tutorialSolidHeatTransfer01.html

@@ -128,7 +128,7 @@ <h2 id="solvingwithfeascript">
       files.
     </p>
     <p>
-      The first JSON file, <code>solverConfig.json</code>, determines the solver
+      The first JSON file, solverConfig.json, determines the solver
       type:
     </p>
     <pre class="prettyprint">
@@ -137,7 +137,7 @@ <h2 id="solvingwithfeascript">
 }</pre
     >
     <p>
-      The second JSON file, <code>meshConfig.json</code>, concerns the
+      The second JSON file, meshConfig.json, concerns the
       computational mesh parameters. In particular, the parameters numElementsX
       and numElementsY represent the number of elements along the x-axis and
       y-axis, respectively. Additionally, maxX and maxY denote the final
@@ -155,7 +155,7 @@ <h2 id="solvingwithfeascript">
 }</pre
     >
     <p>
-      The third essential JSON file, <code>boundaryConditionsConfig.json</code>,
+      The third essential JSON file, boundaryConditionsConfig.json,
       concerns the boundary conditions. Initially the numbers at the left side
       (from 0 to 3) indicate the boundaries of the geometry (the mesh generator
       of FEAScript has assigned numbers to the boundaries, starting from the