Updated wowhead links and title

Author: Nakroma

ui/components/wow-classic/description.vue

@@ -43,7 +43,7 @@ export default {
       return this.$store.state.items.item
     },
     wowheadUrl () {
-      return `https://tbc.wowhead.com/item=${this.item.itemId}`
+      return `https://wowhead.com/wotlk/item=${this.item.itemId}`
     },
     tooltip () {
       // Remove item name and drop chance labels

ui/sites/wow-classic/index.vue

@@ -23,7 +23,7 @@
             <search-button :path="'/wow-classic/search'" />
           </div>
 
-          <h2>All TBC Classic Auction House data and prices in one place!</h2>
+          <h2>All WotLK Classic Auction House data and prices in one place!</h2>
         </div>
       </header>