docs(samples): add memory-aware-agent sample #5007

Job	Run time
build-wheels	0s
test-uipath-langchain	0s
discover-testcases	0s
${{ matrix.testcase }} / ${{ matrix.environment }} / ${{ ((matrix.use_azure_chat && 'UiPathAzureChatOpenAI') \|\| 'UiPathChat') }}	0s
notify-on-failure	0s
	0s

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