chore: add MULTIMODAL_SEND_VIDEO_FORMAT to docker's env (#10458)

docker/.env.example

 # Multi-modal Configuration
 # ------------------------------
 
-# The format of the image sent when the multi-modal model is input,
+# The format of the image/video sent when the multi-modal model is input,
 # the default is base64, optional url.
 # The delay of the call in url mode will be lower than that in base64 mode.
 # It is generally recommended to use the more compatible base64 mode.
-# If configured as url, you need to configure FILES_URL as an externally accessible address so that the multi-modal model can access the image.
+# If configured as url, you need to configure FILES_URL as an externally accessible address so that the multi-modal model can access the image/video.
 MULTIMODAL_SEND_IMAGE_FORMAT=base64
+MULTIMODAL_SEND_VIDEO_FORMAT=base64
 
 # Upload image file size limit, default 10M.
 UPLOAD_IMAGE_FILE_SIZE_LIMIT=10

docker/docker-compose.yaml

   PROMPT_GENERATION_MAX_TOKENS: ${PROMPT_GENERATION_MAX_TOKENS:-512}
   CODE_GENERATION_MAX_TOKENS: ${CODE_GENERATION_MAX_TOKENS:-1024}
   MULTIMODAL_SEND_IMAGE_FORMAT: ${MULTIMODAL_SEND_IMAGE_FORMAT:-base64}
+  MULTIMODAL_SEND_VIDEO_FORMAT: ${MULTIMODAL_SEND_VIDEO_FORMAT:-base64}
   UPLOAD_IMAGE_FILE_SIZE_LIMIT: ${UPLOAD_IMAGE_FILE_SIZE_LIMIT:-10}
   UPLOAD_VIDEO_FILE_SIZE_LIMIT: ${UPLOAD_VIDEO_FILE_SIZE_LIMIT:-100}
   UPLOAD_AUDIO_FILE_SIZE_LIMIT: ${UPLOAD_AUDIO_FILE_SIZE_LIMIT:-50}