feat: kowaineコマンドを実装

src/commands/kowaine.ts

@@ -0,0 +1,17 @@
+import { Discord } from '@/discord'
+import { Message } from 'discord.js'
+import { BaseCommand, Permission } from '.'
+
+export class KowaineCommand implements BaseCommand {
+  get name(): string {
+    return 'kowaine'
+  }
+
+  get permissions(): Permission[] | null {
+    return null
+  }
+
+  async execute(_discord: Discord, message: Message<boolean>): Promise<void> {
+    await message.reply('えんえん')
+  }
+}

src/discord.ts

@@ -7,6 +7,7 @@ import { BasslineCommand } from './commands/bassline'
 import { PingCommand } from './commands/ping'
 import { PotatoCommand } from './commands/potato'
 import { KawaiineCommand } from './commands/kawaiine'
+import { KowaineCommand } from './commands/kowaine'
 
 export class Discord {
   public readonly client: Client
@@ -16,6 +17,7 @@ export class Discord {
     new PingCommand(),
     new PotatoCommand(),
     new KawaiineCommand(),
+    new KowaineCommand(),
   ]
 
   constructor(config: Configuration) {