Fixes bugs in the Cohere Blueprint (opensearch-project#1351)

* Fixes blueprint bugs found in opensearch-project#1344

Signed-off-by: David Tippett <17506770+dtaivpp@users.noreply.github.com>

* fixing indentation and adding bin files rule to git ignore

Signed-off-by: David Tippett <17506770+dtaivpp@users.noreply.github.com>

* reverting change from prompts -> texts

Signed-off-by: David Tippett <17506770+dtaivpp@users.noreply.github.com>

---------

Signed-off-by: David Tippett <17506770+dtaivpp@users.noreply.github.com>

Author: dtaivpp

.gitignore

@@ -6,3 +6,4 @@ common/build/
 ml-algorithms/build/
 plugin/build/
 .DS_Store
+*/bin/

docs/remote_inference_blueprints/cohere_connector_embedding_blueprint.md

@@ -24,7 +24,9 @@ POST /_plugins/_ml/connectors/_create
       "headers": {
         "Authorization": "Bearer ${credential.cohere_key}"
       },
-      "request_body": "{ \"texts\": ${parameters.texts}, \"truncate\": \"${parameters.truncate}\", \"model\": \"${parameters.model}\" }"
+      "request_body": "{ \"texts\": ${parameters.texts}, \"truncate\": \"${parameters.truncate}\", \"model\": \"${parameters.model}\" }", 
+      "pre_process_function": "connector.pre_process.cohere.embedding",
+      "post_process_function": "connector.post_process.cohere.embedding"
     }
   ]
 }