refactor: comments + print

public/index.html

@@ -55,6 +55,7 @@
 </div>
 
 <div id="tab-content">
+    <!--- Check how many rats fit --->
     <div class="is-active" data-content-id="1">
         <div class="card">
             <div class="card-content">
@@ -118,6 +119,7 @@
             </div>
         </div>
     </div>
+    <!--- Cage calc --->
     <div class="" data-content-id="2">
         <div class="card">
             <div class="card-content">
@@ -144,6 +146,7 @@
             </div>
         </div>
     </div>
+    <!--- Check cage --->
     <div class="" data-content-id="3">
         <div class="card">
             <div class="card-content">