restructure donw, rearing 1.0.0 release

src/layouts/baseSection.astro

@@ -1,13 +1,15 @@
 ---
 export interface Props {
-  title: string
+  title: string,
+  titleHidden?: boolean
 }
 
-const { title } = Astro.props
+const { title, titleHidden } = Astro.props
+const hidden = titleHidden || false ? "visually-hidden" : ""
 ---
 
 <div class="base">
-  <h1>{title}</h1>
+  <h1 class={hidden}>{title}</h1>
   <div>
     <slot />
   </div>