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

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

embedchain/examples/mistral-streamlit/config.yaml

@@ -0,0 +1,17 @@
+app:
+  config:
+    name: 'mistral-streamlit-app'
+
+llm:
+  provider: huggingface
+  config:
+    model: 'mistralai/Mixtral-8x7B-Instruct-v0.1'
+    temperature: 0.1
+    max_tokens: 250
+    top_p: 0.1
+    stream: true
+
+embedder:
+  provider: huggingface
+  config:
+    model: 'sentence-transformers/all-mpnet-base-v2'