Add coreprotect support, start on prism but commented out until they figure out a maven repository for their API

server/src/main/java/dev/plex/hook/PrismHook.java

@@ -0,0 +1,34 @@
+/*
+package dev.plex.hook;
+
+import dev.plex.Plex;
+import org.bukkit.plugin.Plugin;
+
+public class PrismHook
+{
+    private PrismApi prismApi;
+
+    public PrismHook(Plex plex)
+    {
+        Plugin plugin = plex.getServer().getPluginManager().getPlugin("Prism");
+
+        // Check that Prism is loaded
+        if (!plugin.isEnabled())
+        {
+            return;
+        }
+
+        // Check that the API is enabled
+        this.prismApi = (PrismApi) plugin;
+    }
+
+    public boolean hasPrism() {
+        return prismApi != null;
+    }
+
+    public PrismApi prismApi()
+    {
+        return prismApi;
+    }
+}
+*/