feat(commands): refactor and add more commands

commands/view/less.go

@@ -0,0 +1,13 @@
+package view
+
+import (
+	"github.com/versenilvis/iris/commands/core"
+)
+
+func init() {
+	core.Register(&core.Spec{
+		Name:        "less",
+		Description: "view file contents (scrollable)",
+		Generator:   core.FileGenerator(),
+	})
+}