docs: add identity CLI quickstart and fix claude SDK path (#353)

* docs: add identity CLI quickstart and fix claude SDK path

* docs: fix claude SDK agent.py include path

---------

Co-authored-by: Sundar Raghavan <sdraghav@amazon.com>

Author: sundargthb

documentation/docs/examples/integrations/agentic-frameworks/claude-sdk/claude-agent-readme.md

@@ -1 +1 @@
-{% include-markdown "https://raw.githubusercontent.com/awslabs/amazon-bedrock-agentcore-samples/refs/heads/main/03-integrations/agentic-frameworks/claude-sdk/README.md" start="#" %}
+{% include-markdown "https://raw.githubusercontent.com/awslabs/amazon-bedrock-agentcore-samples/refs/heads/main/03-integrations/agentic-frameworks/claude-agent/claude-sdk/README.md" start="#" %}

documentation/docs/examples/integrations/agentic-frameworks/claude-sdk/claude-agent.md

@@ -1,3 +1,3 @@
 ```python
-{% include "https://raw.githubusercontent.com/awslabs/amazon-bedrock-agentcore-samples/refs/heads/main/03-integrations/agentic-frameworks/claude-sdk/agent.py" %}
+{% include "https://raw.githubusercontent.com/awslabs/amazon-bedrock-agentcore-samples/refs/heads/main/03-integrations/agentic-frameworks/claude-agent/claude-sdk/agent.py" %}
 ```

documentation/mkdocs.yaml

@@ -84,6 +84,7 @@ nav:
       - Memory Quickstart: user-guide/memory/quickstart.md
     - Identity:
       - Identity Quickstart: user-guide/identity/quickstart.md
+      - Identity CLI Quickstart: user-guide/identity/quickstart-with-cli.md
     - Built-in Tools:
       - Quickstart Browser Tool: user-guide/builtin-tools/quickstart-browser.md
       - Quickstart Code Interpreter: user-guide/builtin-tools/quickstart-code-interpreter.md