  * support spreadsheet as DCTAP source,
    when needed crates are in Debian
    * calamine
    * codepage
  * support PGSchema command and validation mode,
    when needed crates are in Debian
    * rustemo
    * rustemo-compiler
  * support Model-Context-Protocol service as subcommand mcp,
    when needed crates are in Debian
    * rmcp
    * rmcp-macros
  * provide binary package python3-pyrudof
