Store screenshots in repository for better reliability

Co-authored-by: danielbodnar <1790726+danielbodnar@users.noreply.github.com>

Author: Copilot

README.md

@@ -13,21 +13,21 @@
 
 > A revolutionary git-ops-based, multi-tenant hypervisor platform built on systemd technologies for secure, isolated, and declaratively managed virtualization environments.
 
-![BitBuilder Hypervisor](https://github.com/user-attachments/assets/8773205b-7c7e-4579-bad2-e6e56d619739)
+![BitBuilder Hypervisor](docs/images/hero.png)
 
 **[Visit the Website & Documentation →](website/index.html)**
 
 <details>
 <summary>More Screenshots</summary>
 
 ### Documentation
-![Documentation](https://github.com/user-attachments/assets/00d999a0-5b6c-4b88-9b56-01680ddc770d)
+![Documentation](docs/images/docs.png)
 
 ### Architecture
-![Architecture](https://github.com/user-attachments/assets/e2a71ef8-2978-491b-9614-d495cd034244)
+![Architecture](docs/images/architecture.png)
 
 ### Stack & Templates
-![Stack & Templates](https://github.com/user-attachments/assets/596c61dd-ff27-472a-86bd-f415276a4851)
+![Stack & Templates](docs/images/stack.png)
 
 </details>