Add ollama embeddings (#1634)

mem0/embeddings/base.py

@@ -1,7 +1,21 @@
+from typing import Optional
 from abc import ABC, abstractmethod
 
+from mem0.configs.embeddings.base import BaseEmbedderConfig
+
 
 class EmbeddingBase(ABC):
+    def __init__(self, config: Optional[BaseEmbedderConfig] = None):
+        """Initialize a base LLM class
+
+        :param config: Embedder configuration option class, defaults to None
+        :type config: Optional[BaseEmbedderConfig], optional
+        """
+        if config is None:
+            self.config = BaseEmbedderConfig()
+        else:
+            self.config = config
+
     @abstractmethod
     def embed(self, text):
         """