✨ Add Laravel guidelines, Spanish translations, and configuration updates

- Added Laravel Boost Guidelines for structured development practices.
- Introduced Spanish translations for `auth`, `passwords`, and additional JSON keys.
- Configured markdown highlighting with Shiki in `config/markdown.php`.
- Updated sidebar layout for improved interactivity and styling.
- Enhanced user feedback with a copy-to-clipboard directive and toast notifications in Flux.

.junie/mcp/mcp.json

@@ -0,0 +1,11 @@
+{
+    "mcpServers": {
+        "laravel-boost": {
+            "command": "vendor/bin/sail",
+            "args": [
+                "artisan",
+                "boost:mcp"
+            ]
+        }
+    }
+}