Begin command rework

src/main/java/com/dfsek/terra/command/SaveDataCommand.java

@@ -0,0 +1,27 @@
+package com.dfsek.terra.command;
+
+import com.dfsek.terra.generation.TerraChunkGenerator;
+import org.bukkit.command.CommandSender;
+import org.jetbrains.annotations.NotNull;
+
+import java.util.Collections;
+import java.util.List;
+
+public class SaveDataCommand extends Command {
+    @Override
+    public String getName() {
+        return "save-data";
+    }
+
+    @Override
+    public boolean onCommand(@NotNull CommandSender sender, org.bukkit.command.@NotNull Command command, @NotNull String label, @NotNull String[] args) {
+        TerraChunkGenerator.saveAll();
+        sender.sendMessage("Saved population data.");
+        return true;
+    }
+
+    @Override
+    public List<Command> getSubCommands() {
+        return Collections.emptyList();
+    }
+}