update README with social media badges and improved images

Author: nicosammito

README.md

@@ -1,8 +1,10 @@
 # CodeZero
 
-> **Placeholder for project logo**
-> 
-> ![Codezero Logo](./docs/images/codezero-logo.png)
+[![Discord](https://img.shields.io/discord/1173625923724124200?label=Discord&logo=discord&style=for-the-badge)](https://discord.com/invite/AyMB7DtA7P)
+[![Instagram](https://img.shields.io/badge/Instagram-E4405F?logo=instagram&logoColor=white&style=for-the-badge)](https://www.instagram.com/codezero.tech/)
+[![YouTube](https://img.shields.io/badge/YouTube-FF0000?logo=youtube&logoColor=white&style=for-the-badge)](https://www.youtube.com/@CodeZeroBuild)
+
+![CodeZero Thumbnail](./images/CodeZero_Thumbnail.png)
 
 ## What is CodeZero?
 
@@ -34,11 +36,6 @@ A "flow" in CodeZero is a sequence of connected nodes, each representing a step
 - **Parameter:** Nodes have parameters that define their input and configuration.
 - **Action:** Plugin that extends a runtime with new flow types, nodes, and triggers.
 
-> **Placeholder for architecture diagram**
-> 
-> ![Architecture Overview](./docs/images/architecture-overview.png)
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-
 ## Contribution & Community
 
 CodeZero is modular and extensible. You can define new flow types, nodes, roles, organizational structures, and extend runtimes with Actions. Contributions are welcome—join the community to help improve process automation and organizational management.