feat: create SlashCommand class

src/structures/embed.ts

@@ -15,7 +15,7 @@ export class Embed extends EmbedBuilder {
    * Sets default embed properties including author information if provided
    * @param author The Discord user to set as the embed author
    */
-  setDefaults(author?: User) {
+  setDefaults(author?: User): Embed {
     if (!author) return this;
 
     const name = author.displayName === author.username ? author.username

src/structures/slashCommand.ts

@@ -0,0 +1,22 @@
+import {
+  ApplicationIntegrationType,
+  InteractionContextType,
+  SlashCommandBuilder,
+} from "discord.js";
+
+export class SlashCommand extends SlashCommandBuilder {
+  public constructor() {
+    super();
+
+    this.setDescription("...");
+
+    this.setContexts(
+      InteractionContextType.Guild,
+      InteractionContextType.BotDM,
+      InteractionContextType.PrivateChannel,
+    ).setIntegrationTypes(
+      ApplicationIntegrationType.GuildInstall,
+      ApplicationIntegrationType.UserInstall,
+    );
+  }
+}