Fix compile errors

src/main/java/dev/plex/module/nickmm/NickMiniMessageModule.java

@@ -0,0 +1,25 @@
+package dev.plex.module.nickmm;
+
+import com.earth2me.essentials.Essentials;
+import dev.plex.module.PlexModule;
+import dev.plex.module.nickmm.command.NickMMCommand;
+import org.bukkit.Bukkit;
+
+public class NickMiniMessageModule extends PlexModule
+{
+    @Override
+    public void enable()
+    {
+        if (!Bukkit.getPluginManager().isPluginEnabled("Essentials"))
+        {
+            throw new IllegalStateException("EssentialsX is required for this module to work!");
+        }
+
+        registerCommand(new NickMMCommand());
+    }
+
+    public static Essentials getEssentials()
+    {
+        return (Essentials) Bukkit.getPluginManager().getPlugin("Essentials");
+    }
+}