Rules text components

[rsek]

depends on #466 and #467

• introduces a set of modular components for consistently rendering rules text
  • OracleTable: renders a table with an optional caption from a RollTable document
  • RulesSourceInfo: renders a page citation from an ISource object
  • RulesText: generic rules article wrapper with several slots
    • automatically applies WithRolllisteners
    • when provided with an ISource, includes a footer with RulesSourceInfo
    • configurable to render content from a normal slot, markdown, or html; automatically applies enrichMarkdown/enrichHtml if it's markdown/html
  • RulesTextOracle: extends RulesText; renders oracle info from a RollTable document
  • RulesTextMove: extends RulesText; renders move info from a Move object
• localizeable strings for oracle table column labels