Switch from "spf13/cobra" to "urfave/cli"

go.mod

@@ -3,12 +3,12 @@ module github.com/naspeh/timefor
 go 1.15
 
 require (
+	github.com/cpuguy83/go-md2man/v2 v2.0.3 // indirect
 	github.com/google/go-cmp v0.6.0
 	github.com/jmoiron/sqlx v1.3.5
+	github.com/kr/pretty v0.1.0 // indirect
 	github.com/mattn/go-sqlite3 v1.14.22
-	github.com/mitchellh/go-homedir v1.1.0 // indirect
-	github.com/shurcooL/sanitized_anchor_name v1.0.0 // indirect
-	github.com/spf13/cobra v1.8.0
-	github.com/spf13/viper v1.7.0 // indirect
+	github.com/urfave/cli/v2 v2.27.1
+	gopkg.in/check.v1 v1.0.0-20180628173108-788fd7840127 // indirect
 	gopkg.in/yaml.v2 v2.4.0
 )