Remove the need to register slash commands separately

We modified the slash command interface to allow getting command data, and created a generic implementation of it that automatically retrieves data from the command data. The interface should not be used now. Instead, extending the implementation is preferred as it provides a semi-working command already.

src/main/java/wtf/beatrice/hidekobot/objects/SlashCommand.java

@@ -1,10 +1,12 @@
 package wtf.beatrice.hidekobot.objects;
 
 import net.dv8tion.jda.api.events.interaction.command.SlashCommandInteractionEvent;
+import net.dv8tion.jda.api.interactions.commands.build.CommandData;
 import org.jetbrains.annotations.NotNull;
 
 public interface SlashCommand
 {
+
     /**
      * Get the command's registered label, or how Discord sees and runs the registered command.
      *
@@ -12,6 +14,13 @@ public interface SlashCommand
      */
     String getCommandName();
 
+    /**
+     * Get a JDA command data object that will then be used to tell the Discord API the specifics of this
+     * command.
+     *
+     * @return the command data object.
+     */
+    CommandData getSlashCommandData();
     /**
      * Run the command logic by parsing the event and replying accordingly.
      *

src/main/java/wtf/beatrice/hidekobot/objects/SlashCommandImpl.java

@@ -0,0 +1,24 @@
+package wtf.beatrice.hidekobot.objects;
+
+import net.dv8tion.jda.api.events.interaction.command.SlashCommandInteractionEvent;
+import net.dv8tion.jda.api.interactions.commands.build.CommandData;
+import org.jetbrains.annotations.NotNull;
+
+public class SlashCommandImpl implements SlashCommand
+{
+
+    @Override
+    public String getCommandName() {
+        return getSlashCommandData().getName();
+    }
+
+    @Override
+    public CommandData getSlashCommandData() {
+        return null;
+    }
+
+    @Override
+    public void runSlashCommand(@NotNull SlashCommandInteractionEvent event) {
+        event.reply("Base command implementation").queue();
+    }
+}