message: Include default instructions
diff: This is the DuckDB Python package
  +## Default installation
  +
  +You would normally install the DuckDB released version using `pip` as follows:
  + pip install duckdb
  +
  ## Installing locally
  +For development, you may need a DuckDB python package that is installed from source.
  +Proceed as follows.
  +
  Set the prefix path:
  export DUCKDB_PREFIX=/path/to/install/duckdb
  