add args to use of delete and up commands (railwayapp#161)

Feature to up a specific directory (railwayapp#156)

* Feature to up a specific directory

* Added a path to the arg

* Added RootDir property on UploadRequest

CLI now returns latest updated projects (railwayapp#151)

CLI now returns latest updated projects (railwayapp#151)

Support --environment for Up + Fix Exit Status' (railwayapp#150)

* environment for up + refactor

* Fix controller'

* Fix exit output

Support --environment for Up + Fix Exit Status' (railwayapp#150)

* environment for up + refactor

* Fix controller'

* Fix exit output

Support Environment flag for run (railwayapp#148)

enable default non-dynamic completions (railwayapp#146)

fetch all starter templates (railwayapp#147)

* fetch all starter templates

* fix ineffectual assignment error

* fix formatting

add help text to environment command (railwayapp#142)

* add help text to environment command

* Update help text

Co-authored-by: Jake Cooper <jake.elijah.cooper@gmail.com>

Co-authored-by: Jake Cooper <jake.elijah.cooper@gmail.com>