Color changes, fix login password box

- type=password was on the wrong element
- New color assignments for tables
- Only uses one palette for now
- Changed input bg to highlight color
- Forced dark mode on sidebar
- Moved some table coloring to components.css
- Fixed some comments being out-of-line

client/src/pages/firewall/Rules.vue

@@ -33,6 +33,6 @@ onMounted(async() => {
     <PageHeader title="Forward Rules">
       <button @click="loadRules">Load Rules</button>
     </PageHeader>
-    <NiceTable class="cl-secondary" :columns="columns" v-model:data="rules"/>
+    <NiceTable :columns="columns" v-model:data="rules"/>
   </div>
 </template>