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

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

embedchain/examples/private-ai/config.yaml

@@ -0,0 +1,10 @@
+llm:
+  provider: gpt4all
+  config:
+    model: 'orca-mini-3b-gguf2-q4_0.gguf'
+    max_tokens: 1000
+    top_p: 1
+embedder:
+  provider: huggingface
+  config:
+    model: 'sentence-transformers/all-MiniLM-L6-v2'