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

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

mem0/embeddings/huggingface.py

@@ -0,0 +1,19 @@
+from embedding.base import EmbeddingBase
+from sentence_transformers import SentenceTransformer
+
+
+class HuggingFaceEmbedding(EmbeddingBase):
+    def __init__(self, model_name="multi-qa-MiniLM-L6-cos-v1"):
+        self.model = SentenceTransformer(model_name)
+
+    def get_embedding(self, text):
+        """
+        Get the embedding for the given text using Hugging Face.
+
+        Args:
+            text (str): The text to embed.
+
+        Returns:
+            list: The embedding vector.
+        """
+        return self.model.encode(text)