Add a visibility setting of column of sonde list

auto_rx/autorx/static/css/main.css

@@ -287,7 +287,7 @@ table {
   cursor: pointer;
   position: absolute;
   right: 6vh;
-  right: calc(4vh + 36px);
+  right: calc(8vh + 36px);
   color: white;
 }
 

auto_rx/autorx/templates/historical.html

@@ -1466,7 +1466,7 @@
 
     <!-- Wrapper for settings sidebar -->   
     <div id="mySkewT" class="skewt">
-        <a href="javascript:void(0)" class="closebtn3" id="closebtn3" onclick="changeSettings()">&#10006;</a>
+        <a href="javascript:void(0)" class="closebtn3" id="closebtn3" onclick="changeSkewT()">&#10006;</a>
         <h2 id="skewt-header" style="width:100%;text-align:center;">Skew-T Plot</h2>
         <div id="skewt" style="width:90%;margin:3px auto"></div>
         <span id="skewt-buttons", style="width:100%;text-align:center;visibility:hidden;vertical-align:middle;">