batch heatmap font sizes

frontend/src/main/resources/templates/batch.html

@@ -351,6 +351,9 @@
             yaxis: {
                 ticks: '',
                 ticksuffix: ' '
+            },
+            font: {
+                size: 14
             }
         };
 
@@ -365,7 +368,7 @@
                     text: zValues[i][j] + " " + pValues[j][i], // inverted i and j because pValues is not transposed
                     font: {
                         family: 'Arial',
-                        size: 12,
+                        size: 14,
                         color: textColor
                     },
                     showarrow: false