Update README.md

README.md

@@ -40,6 +40,7 @@ A high-performance dictionary database.
 
 The `flaxkv` provides an interface very similar to a dictionary for interacting with high-performance key-value databases. More importantly, as a persistent database, it offers performance close to that of native dictionaries (in-memory access).
 You can use it just like a Python dictionary without having to worry about blocking your user process when operating the database at any time.
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 ## Key Features