Tab completer improvements (#80)

* Attempt to improve the tab completion for Plex

* i give up for the night

* steven is a god

* Fix permission node

server/src/main/java/dev/plex/command/impl/SayCMD.java

@@ -4,7 +4,6 @@ import dev.plex.command.PlexCommand;
 import dev.plex.command.annotation.CommandParameters;
 import dev.plex.command.annotation.CommandPermissions;
 import dev.plex.command.source.RequiredCommandSource;
-
 import dev.plex.util.PlexUtils;
 import net.kyori.adventure.text.Component;
 import org.apache.commons.lang3.StringUtils;
@@ -13,6 +12,9 @@ import org.bukkit.entity.Player;
 import org.jetbrains.annotations.NotNull;
 import org.jetbrains.annotations.Nullable;
 
+import java.util.Collections;
+import java.util.List;
+
 @CommandPermissions(permission = "plex.say", source = RequiredCommandSource.ANY)
 @CommandParameters(name = "say", usage = "/<command> <message>", description = "Displays a message to everyone")
 public class SayCMD extends PlexCommand
@@ -28,4 +30,10 @@ public class SayCMD extends PlexCommand
         PlexUtils.broadcast(PlexUtils.messageComponent("sayMessage", sender.getName(), PlexUtils.mmStripColor(StringUtils.join(args, " "))));
         return null;
     }
+
+    @Override
+    public @NotNull List<String> smartTabComplete(@NotNull CommandSender sender, @NotNull String alias, @NotNull String[] args) throws IllegalArgumentException
+    {
+        return Collections.emptyList();
+    }
 }