style: Improve markdown editor styling and functionality

- Update dark mode button icon and styling
- Add styling for new collection button
- Apply default iframe styles in preview pane
- Adjust vertical divider height in header buttons
- Improve handling of JSX-like attributes in markdown
- Add support for new collection functionality
- Refine file loading logic in view mode
- Improve dark mode toggle icon and integration
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collections/tech/vision.md

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+![](images/opportunity.png)
+
+## Vision
+
+Building the foundational internet infrastructure layer that is more reliable, safe, private, scalable, and sustainable.
+
+Our technology enables anyone to become an infrastructure provider while maintaining autonomous, self-healing services covering all three fundamental layers of internet architecture.
+
+Our system is unique in its ability to deliver integrated services across compute (ZOS), storage (Quantum Safe Storage), and networking (Mycelium Network) within a single, coherent platform.
+
+## Lets Fix Our Internet
+
+![alt text](images/letsfix.png)
+
+**We are a grounded project:**
+
+- Already deployed in 30+ countries with 30,000+ vCPUs live
+- Proven technology in production for multiple years
+- Complete stack: OS, storage, networking, AI agents
+- Focused on building and proving technology
+- Commercial phase launching with enterprise roadmap