Rename embedchain to mem0 and open sourcing code for long term memory (#1474)

Co-authored-by: Deshraj Yadav <deshrajdry@gmail.com>

mem0/embeddings/base.py

@@ -0,0 +1,16 @@
+from abc import ABC, abstractmethod
+
+
+class EmbeddingBase(ABC):
+    @abstractmethod
+    def embed(self, text):
+        """
+        Get the embedding for the given text.
+
+        Args:
+            text (str): The text to embed.
+
+        Returns:
+            list: The embedding vector.
+        """
+        pass