backend: frontend: fix errors in model struct and add new fields to result table view

templates/monster.html

@@ -10,6 +10,10 @@
   <td>{{.HP.Average}}</td>
   <td>{{.HP.Formula}}</td>
   <td>{{.Speed.Walk}}</td>
+  <td>{{.Speed.Swim}}</td>
+  <td>{{.Speed.Burrow}}</td>
+  <td>{{.Speed.Climb}}</td>
+  <td>{{.Speed.Fly}}</td>
   <td>{{.Str}}</td>
   <td>{{.Dex}}</td>
   <td>{{.Con}}</td>