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

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

embedchain/embedchain/__init__.py

@@ -0,0 +1,10 @@
+import importlib.metadata
+
+__version__ = importlib.metadata.version(__package__ or __name__)
+
+from embedchain.app import App  # noqa: F401
+from embedchain.client import Client  # noqa: F401
+from embedchain.pipeline import Pipeline  # noqa: F401
+
+# Setup the user directory if doesn't exist already
+Client.setup()