feat(cli): invoke command

eventual invoke <command-name> // undefined
eventual invoke <command-name> null // null
eventual invoke <command-name> '{"key":"value"}'
eventual invoke <command-name> 'sam' // string
eventual invoke <command-name> '"sam"' // string
eventual invoke <command-name> sam // string
eventual invoke <command-name> 1 // number
eventual invoke <command-name> '"1"' // string
eventual invoke <command-name> --inputFile ./input.json

sam-goodwin / eventual

feat(cli): invoke command #314