Add hyperlink function in Xnft (#110)

* opening external link (#102)

Covered:
1. WebGL simple one
2. xnft within backpack wallet
3. deeplink mobile

* ✨ Add Hyperlink in XNFT

---------

Co-authored-by: Zen Republic <[email protected]>

Author: GabrielePicco

Runtime/Plugins/HyperlinkXNFT/HyperlinkXNFT.jslib

@@ -0,0 +1,7 @@
+mergeInto(LibraryManager.library, {
+	HyperlinkXNFT : function(linkUrl)
+	{
+		url = UTF8ToString(linkUrl);
+		window.xnft.openWindow(url);
+	}
+});

Runtime/Plugins/HyperlinkXNFT/HyperlinkXNFT.jslib.meta

@@ -0,0 +1,24 @@
+using System.Runtime.InteropServices;
+using UnityEngine;
+
+// ReSharper disable once CheckNamespace
+
+public class HyperlinkXnft : MonoBehaviour
+{
+
+    [DllImport("__Internal")]
+    private static extern void HyperlinkXNFT(string linkUrl);
+
+    public void OpenLink(string link)
+    {
+        //xnft link has to start with https:// and not have "www" after it. Very important!
+    #if UNITY_EDITOR
+        Application.OpenURL(link);
+    #else
+        Application.OpenURL(link);
+        HyperlinkXNFT(link);
+    #endif
+    }
+
+
+}