[Improvement] update pinecone client v3 (#1200)

Co-authored-by: Deven Patel <deven298@yahoo.com>

embedchain/config/vectordb/pinecone.py

@@ -1,3 +1,4 @@
+import os
 from typing import Optional
 
 from embedchain.config.vectordb.base import BaseVectorDbConfig
@@ -9,14 +10,29 @@ class PineconeDBConfig(BaseVectorDbConfig):
     def __init__(
         self,
         collection_name: Optional[str] = None,
+        api_key: Optional[str] = None,
         index_name: Optional[str] = None,
         dir: Optional[str] = None,
         vector_dimension: int = 1536,
         metric: Optional[str] = "cosine",
+        pod_config: Optional[dict[str, any]] = None,
+        serverless_config: Optional[dict[str, any]] = None,
         **extra_params: dict[str, any],
     ):
         self.metric = metric
+        self.api_key = api_key
         self.vector_dimension = vector_dimension
         self.extra_params = extra_params
         self.index_name = index_name or f"{collection_name}-{vector_dimension}".lower().replace("_", "-")
-        super().__init__(collection_name=collection_name, dir=dir)
+        if pod_config is None and serverless_config is None:
+            # If no config is provided, use the default pod spec config
+            pod_environment = os.environ.get("PINECONE_ENV", "gcp-starter")
+            self.pod_config = {"environment": pod_environment, "metadata_config": {"indexed": ["*"]}}
+        else:
+            self.pod_config = pod_config
+        self.serverless_config = serverless_config
+
+        if self.pod_config and self.serverless_config:
+            raise ValueError("Only one of pod_config or serverless_config can be provided.")
+
+        super().__init__(collection_name=collection_name, dir=None)