Merge pull request #1341 from gwenn/serialize

Serialize and deserialize database

Cargo.toml

@@ -77,6 +77,8 @@ column_decltype = []
 wasm32-wasi-vfs = ["libsqlite3-sys/wasm32-wasi-vfs"]
 # Note: doesn't support 32-bit.
 winsqlite3 = ["libsqlite3-sys/winsqlite3"]
+# 3.23.0
+serialize = ["modern_sqlite"]
 
 # Helper feature for enabling most non-build-related optional features
 # or dependencies (except `session`). This is useful for running tests / clippy