979100: Added gemini and openai samples#4551

IndrajithSrinivasan merged 3 commits intohotfix/hotfix-v31.1.17syncfusion-content/ej2-asp-core-mvc-docs:hotfix/hotfix-v31.1.17from

979100-updated-aiAssistview-samplesyncfusion-content/ej2-asp-core-mvc-docs:979100-updated-aiAssistview-sampleCopy head branch name to clipboard