showcase: add pubgitems.info (#2692)

Using Deno 2 and Fresh 2

Author: NanoEdit

www/data/showcase.json

@@ -422,6 +422,11 @@
     "github": "gibbygano/wtfiscongressdoingnow",
     "image": "wtfcongress"
   },
+  {
+    "title": "PUBG Items",
+    "link": "https://pubgitems.info",
+    "image": "pubgitems"
+  },
   {
     "title": "Zhi's Blog",
     "link": "https://zhi.deno.dev",