Web UI: autofocus for param value

Author: codeape2

netmockery/Views/Endpoints/AdjustParam.cshtml

@@ -16,7 +16,7 @@
     </div>
     <div class="form-group">
         <label>Value</label>
-        <textarea class="form-control" rows="5" name="value">@Model.Value</textarea>
+        <textarea class="form-control" rows="5" name="value" autofocus>@Model.Value</textarea>
     </div>
     <div class="form-group">
         <label>Default value</label>