message: docs(README): replace slash commands boilerplate link
diff: @@ -60,7 +60,7 @@ unofficial boilerplates:
  - [Discordeno Bot Template (official)](https://github.com/discordeno/discordeno-bot-template)
  - [Serverless Slash Commands Template
  - (official)](https://github.com/discordeno-slash-bot)
  + (official)](https://github.com/slash-commands-bot)
  - [Add Your Own!](https://github.com/discordeno/discordeno/pulls)
  ## Useful Links
  