Migrate workflow-template-develop and workflow-template-solve-issue
moderators to use the declarative ModeratorTable/tableToModerator
pattern. Update workflow-runtime re-exports and workflow-execute
engine to use renamed types.
Fixes#172
Add ModeratorCondition, FALLBACK, ModeratorTransition, ModeratorTable types
and tableToModerator converter function. Export from workflow-protocol and
re-export from workflow-runtime for backward compat.
Refs #172