Add AI agent overview (#23)

* Add AI agent overview

Signed-off-by: Marc Duiker <marcduiker@users.noreply.github.com>

* Add image to core principles

Signed-off-by: Marc Duiker <marcduiker@users.noreply.github.com>

---------

Signed-off-by: Marc Duiker <marcduiker@users.noreply.github.com>

docs/home/principles.md

@@ -1,5 +1,7 @@
 # Core Principles
 
+![](../img/concepts-agents-overview.png)
+
 ## 1. Agent-Centric Design
 
 Dapr Agents is designed to place agents, powered by LLMs, at the core of task execution and workflow orchestration. This principle emphasizes:
@@ -78,4 +80,4 @@ By integrating these paradigms, Dapr Agents enables workflows that combine the r
 !!! info
     Dapr Agents workflows blend structured, predictable logic with the dynamic responsiveness of event-driven systems, empowering both centralized and decentralized workflows.
 
-![](../img/home_concepts_principles_workflows.png)
+![](../img/home_concepts_principles_workflows.png)