Added spellcheck target to makefile (#3398)
Added spellcheck target to makefile (#3398)

* Added spellcheck target to makefile

* address review comments

kingland/vault,joelthompson/vault,quixoten/vault,naunga/vault,naunga/vault,rnaveiras/vault,quixoten/vault,joelthompson/vault,lemondrank/vault,Aloomaio/vault,hashicorp/vault,rnaveiras/vault,Aloomaio/vault,kingland/vault,Aloomaio/vault,hashicorp/vault,hartsock/vault,mgk/vault,wjam/vault,quixoten/vault,joelthompson/vault,hartsock/vault,wjam/vault,rnaveiras/vault,hashicorp/vault,hartsock/vault,mgk/vault,kingland/vault,joelthompson/vault,rnaveiras/vault,mgk/vault,Aloomaio/vault,rnaveiras/vault,hashicorp/vault,quixoten/vault,kingland/vault,hartsock/vault,hashicorp/vault,hashicorp/vault,mgk/vault,hartsock/vault,kingland/vault,lemondrank/vault