Add echo command

commands/echo.js

@@ -0,0 +1,19 @@
+const { SlashCommandBuilder } = require("@discordjs/builders");
+
+module.exports = {
+    data: new SlashCommandBuilder()
+            .setName("echo")
+            .setDescription("Ping, yes")
+            .addStringOption((option) =>
+                option
+                    .setName("message")
+                    .setDescription("Thy message")
+                    .setRequired(true)
+            ),
+    async execute(interaction) {
+        interaction.reply({
+            content: "Pong: " + interaction.options.getString("message"),
+            ephemeral: true
+        });
+    }
+}