docs: Improve header + sidebar

docs: Create workflows
lib: Start pagination

src/routes/getting-started/css.md

@@ -1,8 +1,6 @@
-<svelte:head>
-    <title>CSS - Kleos</title>
-</svelte:head>
-
-# CSS Configuration
+---
+title: CSS Configuration
+---
 
 Use [PostCSS](https://postcss.org/) to process your css in components and `.postcss` files.
 

src/routes/getting-started/icons.md

@@ -1,13 +1,11 @@
+---
+title: Icons
+---
+
 <script>
       import IconHeart from 'virtual:icons/heroicons-outline/heart'
 </script>
 
-<svelte:head>
-    <title>Icons - Kleos</title>
-</svelte:head>
-
-# Icons
-
 Use [unplugin-icons](https://github.com/antfu/unplugin-icons) to import icons as Svelte components.
 
 ## Installation