Enhance premium verification

Core/src/main/java/com/plotsquared/core/command/DebugPaste.java

@@ -81,7 +81,7 @@ public class DebugPaste extends SubCommand {
                     "# Welcome to this paste\n# It is meant to provide us at IntellectualSites with better information about your "
                         + "problem\n\n");
                 b.append("# PlotSquared Information\n");
-                b.append("This PlotSquared version is licensed to the spigot user ")
+                b.append("This PlotSquared version (").append(PremiumVerification.getResourceID()).append(") is licensed to the spigot user ")
                     .append(PremiumVerification.getUserID()).append(" under ").append(
                     PremiumVerification.getDownloadID()).append("\n");
                 b.append("# Server Information\n");

Core/src/main/java/com/plotsquared/core/util/PremiumVerification.java

@@ -35,6 +35,13 @@ public class PremiumVerification {
         return "%%__USER__%%";
     }
 
+    /**
+     * @return Resource ID if downloaded through SpigotMC
+     */
+    public static String getResourceID() {
+        return "%%__RESOURCE__%%";
+    }
+
     /**
      * @return Download ID if downloaded through SpigotMC
      */