feat: initial prototype (#3)

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Reviewed-on: #3
Co-authored-by: Naomi Carrigan <commits@nhcarrigan.com>
Co-committed-by: Naomi Carrigan <commits@nhcarrigan.com>

src/modules/sendUnentitledResponse.ts

@@ -0,0 +1,38 @@
+/**
+ * @copyright nhcarrigan
+ * @license Naomi's Public License
+ * @author Naomi Carrigan
+ */
+
+import {
+  ActionRowBuilder,
+  ButtonBuilder,
+  ButtonStyle,
+  MessageFlags,
+  TextDisplayBuilder,
+  type ChatInputCommandInteraction,
+} from "discord.js";
+
+/**
+ * Responds with a default image and a button to subscribe.
+ * @param interaction - The interaction object from Discord.
+ */
+export const sendUnentitledResponse = async(
+  interaction: ChatInputCommandInteraction,
+): Promise<void> => {
+  const components = [
+    new TextDisplayBuilder().setContent(
+      // eslint-disable-next-line stylistic/max-len -- Big boi string.
+      "Oh dear, your community does not seem to have an active subscription! I am afraid I cannot let you throw things until a server admin resolves that.",
+    ),
+    new ActionRowBuilder<ButtonBuilder>().addComponents(
+      new ButtonBuilder().
+        setStyle(ButtonStyle.Premium).
+        setSKUId("1405735335949766716"),
+    ),
+  ];
+  await interaction.editReply({
+    components: components,
+    flags:      [ MessageFlags.IsComponentsV2 ],
+  });
+};