### Check for existing issues

- [x] I have searched the existing issues and checked that my issue is not a duplicate.

### What happened?

Bedrock embedding models are limited to: "amazon.titan-embed-image-v1" "amazon.titan-embed-text-v1" "amazon.titan-embed-text-v2:0"

But more could be supported dynamically to support other models include G1 Text.

https://docs.aws.amazon.com/bedrock/latest/userguide/model-card-amazon-titan-text-embeddings-v2-2.html

### Steps to Reproduce

Deploy G1 Text Embedding Model:

``` { "aws_region_name": "us-west-2", "rpm": 5000, "model": "bedrock/amazon.titan-embed-g1-text-02", "aws_session_name": "litellm" } ```

Example Request: ``` curl -k --location "${BASE_URL}/embeddings" \ --silent \ --write-out "\n%{http_code}" \ --header 'Content-Type: application/json' \ --header "Authorization: Bearer ${LITELLM_API_KEY}" \ --data "{ \"model\": \"${model}\", \"input\": \"test embedding input\" } ```

Example Response:

``` {"error":{"message":"litellm.APIConnectionError: Unable to map Bedrock request to provider\nTraceback (most recent call last):\n File \"/ap…