add-announcement

<p align="center">
  <a href="https://agenta.ai?utm_source=github&utm_medium=referral&utm_campaign=readme">
      <picture >
        <source width="275" media="(prefers-color-scheme: dark)" srcset="https://github.com/user-attachments/assets/97e31bfc-b1fc-4d19-b443-5aedf6029017"  >
        <source width="275" media="(prefers-color-scheme: light)" srcset="https://github.com/user-attachments/assets/fdc5f23f-2095-4cfc-9511-14c6851c1262"  >
        <img alt="Shows the logo of agenta" src="https://github.com/user-attachments/assets/fdc5f23f-2095-4cfc-9511-14c6851c1262" >