Update links to point to the correct tour page in menu.json and Hero.js (#44)

Author: MalithaPrabhashana

jaseci-org/config/menu.json

@@ -2,7 +2,7 @@
   "main": [
     {
       "name": "Docs",
-      "url": "https://www.jac-lang.org/learn/introduction/",
+      "url": "https://www.jac-lang.org/learn/tour/",
       "target": "_blank",
       "rel": "noopener noreferrer"
     },

jaseci-org/layouts/components/landing/Hero.js

@@ -145,7 +145,7 @@ const Hero = () => {
                   </svg>
                 </a>
                 <a
-                  href="https://www.jac-lang.org/learn/introduction/"
+                  href="https://www.jac-lang.org/learn/tour/"
                   className="inline-flex items-center justify-center rounded-lg px-6 py-3 text-sm font-semibold border border-primary-orange/30 text-primary-orange bg-primary-orange/10 backdrop-blur-sm transition-all duration-300 hover:bg-primary-orange hover:text-white hover:border-primary-orange hover:shadow-lg hover:shadow-primary-orange/25 focus-visible:outline-none focus-visible:ring-2 focus-visible:ring-primary-orange/60 transform hover:scale-105"
                 >
                   Learn More