Model aliases deepseek

Model Alias	Maps to
`deepseek`	`deepseek.deepseek-flash`
`DeepSeek V4 Pro`	`deepseek.deepseek-v4-pro`
`DeepSeek V4.1 Flash`	`deepseek.deepseek-flash`
`deepseek-flash`	`deepseek-flash`
`deepseek-v4-flash`	`deepseek-v4-flash`
`deepseek-v4-flash-vision-exp`	`deepseek-v4-flash-vision-exp`
`deepseek-v4-pro`	`deepseek-v4-pro`
`DeepSeek-V4.1-Flash`	`deepseek.deepseek-flash`
`deepseek-v41`	`deepseek.deepseek-flash`
`deepseekpro`	`deepseek.deepseek-v4-pro`
`deepseekvision`	`deepseek.deepseek-flash`