feat(blog): add infrastructure for Physical AI blog post

- Create physical-ai/ subdirectory with 6 media assets
- Add 3 new authors (cagatay-cali, rachita-chandra, aaron-su)
- Create strands-physical-ai.mdx with frontmatter and placeholder

Resolves #736

Author: strands-agent

src/content/authors.yaml

@@ -52,3 +52,18 @@
   name: Strands Agents Team
   role: Core Team
   bio: The team behind the Strands Agents SDK.
+
+- id: cagatay-cali
+  name: Cagatay Cali
+  role: "Research Engineer, AWS"
+  bio: Cagatay Cali is a Research Engineer at AWS focused on Agentic AI and robotics. He designs interfaces that connect AI agents to physical robots, enabling developers to control robotic systems through natural language.
+
+- id: rachita-chandra
+  name: Rachita Chandra
+  role: "Prototyping Solutions Architect, AWS"
+  bio: Rachita Chandra is a Prototyping Solutions Architect specializing in implementing generative AI and machine learning solutions for workloads on AWS.
+
+- id: aaron-su
+  name: Aaron Su
+  role: "Solutions Architect, AWS"
+  bio: Aaron Su is a Solutions Architect at Amazon Web Services, helping startups build and scale AI solutions from concept to production. He is passionate about physical AI and agentic systems.

src/content/blog/physical-ai/edge-ai-1.gif

@@ -0,0 +1,35 @@
+---
+title: "Building intelligent physical AI: From edge to cloud with Strands Agents, Bedrock AgentCore, Claude 4.5, NVIDIA GR00T, and Hugging Face LeRobot"
+date: 2025-12-12
+description: "Learn how to build physical AI systems that combine edge computing with cloud intelligence using Strands Agents, NVIDIA GR00T, and Hugging Face LeRobot."
+authors:
+  - arron-bailiss
+  - cagatay-cali
+  - rachita-chandra
+  - aaron-su
+tags:
+  - Physical AI
+  - Robotics
+  - Edge Computing
+  - Best Practices
+canonicalUrl: "https://aws.amazon.com/blogs/opensource/building-intelligent-physical-ai-from-edge-to-cloud-with-strands-agents-bedrock-agentcore-claude-4-5-nvidia-gr00t-and-hugging-face-lerobot/"
+draft: false
+---
+
+{/* 
+  CONTENT PLACEHOLDER
+  
+  The full blog content should be added here by an authorized content owner.
+  
+  Available images in ./physical-ai/:
+  - edge-ai-1.gif - Robot demonstration GIF
+  - image-9-3.png - Edge-cloud continuum diagram  
+  - image-10-4.png - Cloud capabilities diagram
+  - image-11-3.png - VLA model architecture diagram
+  - image-12-3.png - Boston Dynamics Spot diagram
+  - image-13-4.png - Fleet learning diagram
+  
+  Image reference format: ![Alt text](./physical-ai/filename.png)
+  
+  Source: https://aws.amazon.com/blogs/opensource/building-intelligent-physical-ai-from-edge-to-cloud-with-strands-agents-bedrock-agentcore-claude-4-5-nvidia-gr00t-and-hugging-face-lerobot/
+*/}