chore: add eslint rules for spacing (#464)

Co-authored-by: Benjamin Canac <canacb1@gmail.com>

docs/components/content/examples/AccordionExampleDefaultSlot.vue

@@ -30,7 +30,7 @@ const items = [{
 <template>
   <UAccordion :items="items" :ui="{ wrapper: 'flex flex-col w-full' }">
     <template #default="{ item, index, open }">
-      <UButton color="gray" variant="ghost" class="border-b border-gray-200 dark:border-gray-700" :ui="{ rounded :'rounded-none', padding: { sm:'p-3' } }">
+      <UButton color="gray" variant="ghost" class="border-b border-gray-200 dark:border-gray-700" :ui="{ rounded: 'rounded-none', padding: { sm: 'p-3' } }">
         <template #leading>
           <div class="w-6 h-6 rounded-full bg-primary-500 dark:bg-primary-400 flex items-center justify-center -my-1">
             <UIcon :name="item.icon" class="w-4 h-4 text-white dark:text-gray-900" />

docs/components/content/examples/CommandPaletteExampleGroups.vue

@@ -18,17 +18,17 @@ const actions = [
 
 const groups = computed(() => commandPaletteRef.value?.query
   ? [{
-      key: 'users',
-      commands: users
-    }]
+    key: 'users',
+    commands: users
+  }]
   : [{
-      key: 'recent',
-      label: 'Recent searches',
-      commands: users.slice(0, 1)
-    }, {
-      key: 'actions',
-      commands: actions
-    }])
+    key: 'recent',
+    label: 'Recent searches',
+    commands: users.slice(0, 1)
+  }, {
+    key: 'actions',
+    commands: actions
+  }])
 
 function onSelect (option) {
   if (option.click) {

docs/components/content/examples/SelectMenuExampleObjects.vue

@@ -5,22 +5,19 @@ const people = [{
   href: 'https://github.com/benjamincanac',
   target: '_blank',
   avatar: { src: 'https://avatars.githubusercontent.com/u/739984?v=4' }
-},
-{
+}, {
   id: 'Atinux',
   label: 'Atinux',
   href: 'https://github.com/Atinux',
   target: '_blank',
   avatar: { src: 'https://avatars.githubusercontent.com/u/904724?v=4' }
-},
-{
+}, {
   id: 'smarroufin',
   label: 'smarroufin',
   href: 'https://github.com/smarroufin',
   target: '_blank',
   avatar: { src: 'https://avatars.githubusercontent.com/u/7547335?v=4' }
-},
-{
+}, {
   id: 'nobody',
   label: 'Nobody',
   icon: 'i-heroicons-user-circle'