feat: implement collapsible sidebar

chore: basic sidebar toggle button
chore: update compiled css

exampleSite/content/docs/guide/_index.md

@@ -1,6 +1,8 @@
 ---
 title: Guide
 weight: 2
+sidebar:
+  open: true
 ---
 
 Guide to using Hextra to build your site.

exampleSite/hugo_stats.json

@@ -162,6 +162,7 @@
       "dark:border-yellow-200/30",
       "dark:contrast-more:border-neutral-400",
       "dark:focus:bg-dark",
+      "dark:hover:bg-gray-100/5",
       "dark:hover:bg-neutral-900",
       "dark:hover:bg-primary-100/5",
       "dark:hover:border-neutral-700",
@@ -197,6 +198,7 @@
       "data-[state=selected]:text-primary-600",
       "decoration-from-font",
       "duration-200",
+      "ease-in-out",
       "filename",
       "first:mt-0",
       "flex",
@@ -228,6 +230,7 @@
       "h-4",
       "h-5",
       "h-7",
+      "h-[18px]",
       "h-full",
       "hamburger-menu",
       "hextra-card",
@@ -235,10 +238,12 @@
       "hextra-filetree",
       "hextra-filetree-folder",
       "hextra-footer",
+      "hextra-sidebar-collapsible-button",
       "hextra-toc",
       "hidden",
       "highlight",
       "hover:bg-gray-100",
+      "hover:bg-gray-800/5",
       "hover:bg-primary-50",
       "hover:bg-slate-50",
       "hover:border-gray-200",
@@ -330,6 +335,7 @@
       "min-h-[calc(100vh-4rem)]",
       "min-h-[calc(100vh-var(--navbar-height))]",
       "min-w-0",
+      "min-w-[18px]",
       "min-w-[24px]",
       "min-w-full",
       "ml-1",
@@ -358,12 +364,14 @@
       "opacity-80",
       "open",
       "order-last",
+      "origin-center",
       "overflow-auto",
       "overflow-hidden",
       "overflow-x-auto",
       "overflow-x-hidden",
       "overflow-y-auto",
       "overscroll-contain",
+      "p-0.5",
       "p-1.5",
       "p-2",
       "p-4",
@@ -403,9 +411,11 @@
       "rounded",
       "rounded-lg",
       "rounded-md",
+      "rounded-sm",
       "rounded-t",
       "rounded-xl",
       "rtl:-ml-4",
+      "rtl:-rotate-180",
       "rtl:before:right-0",
       "rtl:left-1.5",
       "rtl:left-3",
@@ -481,6 +491,7 @@
       "transition-all",
       "transition-colors",
       "transition-opacity",
+      "transition-transform",
       "typesetting-article",
       "underline",
       "underline-offset-2",