Sectioning unsupported Toollist

src/pug/templates/tool-view.pug

@@ -8,7 +8,7 @@ script#tool-view-template(type="text/x-template")
           label(for="tool-type") tool-type
 
           select(v-model="config.tool['selected-tool']", name="tool-type", @change="change_selected_tool")
-            option(v-for="tool in toolList", :value="tool.id", :disabled="tool.disabled") {{tool.name}}
+            option(v-for="tool in toolList", :value="tool.id", :disabled="tool.disabled", :class="{ 'heading-option': tool.disabled }") {{tool.name}}
 
         templated-input(v-for="templ in template.tool",
           :name="$key", v-if="show_tool_settings($key)"

src/stylus/style.styl

@@ -1255,3 +1255,13 @@ tt.save
   .input-field
     margin-top 10px
 
+  select .heading-option
+    font-weight bold
+    font-style italic
+    background-color #f0f0f0
+    color #555
+    padding 5px
+    cursor default
+  
+  select .heading-option + option
+     margin-top 5px