Add release notes for v0.2.4
# Release Notes
+## Changes in Transact 0.2.4
+
+### Experimental Changes
+
+* Add a field to the `SqliteDatabaseBuilder` to modify the "synchronous" setting
+ via PRAGMA statement. This setting provides different guarantees of data
+ safety for situations such as OS crash or power loss.
+* Make the `transact::workload` module publicly available with the experimental
+ feature "workload".
+* Make the xo workload tools publicly available with the
+ `transact::families::xo` module and the experimental feature "family-xo".
+* Make the `CommandTransactionHandler` and associated methods for the command
+ transaction family publicly available with the `transact::families::command`
+ module and the experimental feature "family-command".
+
+### Other Changes
+
+* Add a justfile to enable running `just build`, `just lint`, and `just test`
+
## Changes in Transact 0.2.3
### Experimental Changes
