.Net Agents: Assistants V2 - Support file_search & VectorStore

[crickman]

• https://platform.openai.com/docs/api-reference/assistants/createAssistant#assistants-createassistant-tool_resources
• https://platform.openai.com/docs/api-reference/vector-stores
• https://platform.openai.com/docs/api-reference/vector-stores-files
• https://platform.openai.com/docs/api-reference/vector-stores-file-batches