Add one more command module

go.mod

@@ -28,6 +28,7 @@ require (
 	github.com/coyim/constbn v0.0.0-20210213190550-014e567e077e // indirect
 	github.com/davecgh/go-spew v1.1.1 // indirect
 	github.com/kr/text v0.2.0 // indirect
+	github.com/mattn/goveralls v0.0.11 // indirect
 	github.com/pmezard/go-difflib v1.0.0 // indirect
 	github.com/rogpeppe/go-internal v1.9.0 // indirect
 	github.com/rosatolen/esc v0.0.0-20170322162328-d21c3d2332cb // indirect

go.sum

@@ -41,6 +41,8 @@ github.com/kr/pty v1.1.1/go.mod h1:pFQYn66WHrOpPYNljwOMqo10TkYh1fy3cYio2l3bCsQ=
 github.com/kr/text v0.1.0/go.mod h1:4Jbv+DJW3UT/LiOwJeYQe1efqtUx/iVham/4vfdArNI=
 github.com/kr/text v0.2.0 h1:5Nx0Ya0ZqY2ygV366QzturHI13Jq95ApcVaJBhpS+AY=
 github.com/kr/text v0.2.0/go.mod h1:eLer722TekiGuMkidMxC/pM04lWEeraHUUmBw8l2grE=
+github.com/mattn/goveralls v0.0.11 h1:eJXea6R6IFlL1QMKNMzDvvHv/hwGrnvyig4N+0+XiMM=
+github.com/mattn/goveralls v0.0.11/go.mod h1:gU8SyhNswsJKchEV93xRQxX6X3Ei4PJdQk/6ZHvrvRk=
 github.com/miekg/dns v1.1.50 h1:DQUfb9uc6smULcREF09Uc+/Gd46YWqJd5DbpPE9xkcA=
 github.com/miekg/dns v1.1.50/go.mod h1:e3IlAVfNqAllflbibAZEWOXOQ+Ynzk/dDozDxY7XnME=
 github.com/pkg/diff v0.0.0-20210226163009-20ebb0f2a09e/go.mod h1:pJLUxLENpZxwdsKMEsNbx1VGcRFpLqf3715MtcvvzbA=