Interactions: fix on failed reply to be ephemeral

fixes #17

src/interactionManager.ts

@@ -34,8 +34,9 @@ export default class CommandManager {
         interaction.reply({
           embeds: [{
             color: 0xff0000,
-            description: `Failed to perform interaction:\n\`${e}\``,
-          }]
+            description: `Failed to perform interaction:\n\`\`${e}\`\``,
+          }],
+          ephemeral: true,
         }).catch(() => {/* NOTE: We're still logging the issue that happened to the console */});
         console.error(`Failed to perform interaction: ${interaction.commandName}`);
         console.error(e);