feat(rerankers): Add new backend, support jina rerankers API (#2121)

Signed-off-by: Ettore Di Giacinto <mudler@localai.io>

backend/python/common-env/transformers/transformers-nvidia.yml

@@ -120,4 +120,6 @@ dependencies:
       - transformers>=4.38.2  # Updated Version
       - transformers_stream_generator==0.0.5
       - xformers==0.0.23.post1  
+      - rerankers[transformers]
+      - pydantic
 prefix: /opt/conda/envs/transformers

backend/python/common-env/transformers/transformers-rocm.yml

@@ -108,4 +108,6 @@ dependencies:
       - transformers>=4.38.2  # Updated Version
       - transformers_stream_generator==0.0.5
       - xformers==0.0.23.post1
+      - rerankers[transformers]
+      - pydantic
 prefix: /opt/conda/envs/transformers

backend/python/common-env/transformers/transformers.yml

@@ -111,5 +111,7 @@ dependencies:
       - vllm>=0.4.0
       - transformers>=4.38.2  # Updated Version
       - transformers_stream_generator==0.0.5
-      - xformers==0.0.23.post1  
+      - xformers==0.0.23.post1
+      - rerankers[transformers]
+      - pydantic
 prefix: /opt/conda/envs/transformers