Add mdBook documentation with Ghostty-style sidebar

static/styles.css

@@ -78,7 +78,7 @@ body {
 .hero-section {
     text-align: center;
     padding: 2rem 2rem 1.5rem 2rem;
-    max-width: 800px;
+    max-width: 920px;
     margin: 0 auto;
 }
 
@@ -130,6 +130,7 @@ body {
     transition: all 0.3s cubic-bezier(0.4, 0, 0.2, 1);
     backdrop-filter: blur(10px);
     box-shadow: 0 4px 12px rgba(0, 0, 0, 0.1);
+    white-space: nowrap;
 }
 
 .link-button:hover {
@@ -161,6 +162,15 @@ body {
     box-shadow: 0 8px 24px rgba(239, 159, 118, 0.25);
 }
 
+.link-button.docs {
+    border-color: rgba(245, 194, 231, 0.3);
+}
+
+.link-button.docs:hover {
+    border-color: var(--ctp-pink);
+    box-shadow: 0 8px 24px rgba(245, 194, 231, 0.25);
+}
+
 .link-button.apt {
     border-color: rgba(166, 209, 137, 0.3);
 }