add docs for multimodal embeddings on bedrock

Author: narengogi

docs.json

@@ -252,7 +252,8 @@
                   "integrations/llms/bedrock/files",
                   "integrations/llms/bedrock/batches",
                   "integrations/llms/bedrock/fine-tuning",
-                  "integrations/llms/bedrock/prompt-caching"
+                  "integrations/llms/bedrock/prompt-caching",
+                  "integrations/llms/bedrock/embeddings"
                 ]
               },
               "integrations/llms/aws-sagemaker",