docs(readme): added stats database

README.md

@@ -131,6 +131,23 @@ anthropic_api_key = "ANTHROPIC_API_KEY" # Optional
        $$;
 ```
 
+and 
+
+```sql
+create table
+  stats (
+    -- A column called "time" with data type "timestamp"
+    time timestamp,
+    -- A column called "details" with data type "text"
+    chat boolean,
+    embedding boolean,
+    details text,
+    metadata jsonb,
+    -- An "integer" primary key column called "id" that is generated always as identity
+    id integer primary key generated always as identity
+  );
+```
+
 - Run the app
 
 ```bash