feat: add nav patterns

package.json

@@ -19,6 +19,7 @@
   "homepage": "https://github.com/janikvonrotz/taskfile.build#readme",
   "dependencies": {
     "@11ty/eleventy": "^3.0.0",
+    "@11ty/eleventy-navigation": "^0.3.5",
     "@11ty/eleventy-plugin-syntaxhighlight": "^5.0.0"
   }
 }