Add the /premium command

Author: TechnoVisionDev

src/main/java/technobot/commands/CommandRegistry.java

@@ -133,6 +133,7 @@ public CommandRegistry(TechnoBot bot) {
                 new RolesCommand(bot),
                 new PollCommand(bot),
                 new InviteCommand(bot),
+                new PremiumCommand(bot),
                 new HelpCommand(bot) // The 'help' command MUST come last!!!
         );
     }

src/main/java/technobot/commands/utility/PremiumCommand.java

@@ -0,0 +1,36 @@
+package technobot.commands.utility;
+
+import net.dv8tion.jda.api.EmbedBuilder;
+import net.dv8tion.jda.api.events.interaction.command.SlashCommandInteractionEvent;
+import net.dv8tion.jda.api.interactions.components.buttons.Button;
+import technobot.TechnoBot;
+import technobot.commands.Category;
+import technobot.commands.Command;
+import technobot.util.embeds.EmbedColor;
+import technobot.util.embeds.EmbedUtils;
+
+/**
+ * Creates button links to the Patreon to buy premium.
+ *
+ * @author TechnoVision
+ */
+public class PremiumCommand extends Command {
+
+    public PremiumCommand(TechnoBot bot) {
+        super(bot);
+        this.name = "premium";
+        this.description = "Provides information on TechnoBot Premium.";
+        this.category = Category.UTILITY;
+    }
+
+    @Override
+    public void execute(SlashCommandInteractionEvent event) {
+        EmbedBuilder embed = new EmbedBuilder()
+                .setColor(EmbedColor.DEFAULT.color)
+                .setTitle("TechnoBot Premium")
+                .setDescription("Premium features are coming soon! But in the meantime, feel free to donate [HERE](https://www.patreon.com/TechnoVision)! ")
+                .appendDescription("TechnoBot is developed by one guy who pays for server costs out of pocket! I appreciate any support :heart:")
+                .addField("Premium Features", "⦁ Add up to 10 auto-roles\n⦁ More coming soon...", true);
+        event.replyEmbeds(embed.build()).addActionRow(Button.link("https://www.patreon.com/TechnoVision", "Buy Premium")).queue();
+    }
+}