Move packages to root folder

Signed-off-by: Jan Tytgat <jan.tytgat@corelayer.eu>

application/commander.go

@@ -0,0 +1,28 @@
+package application
+
+import "github.com/spf13/cobra"
+
+type Commander interface {
+	Initialize(f func(c *cobra.Command)) *cobra.Command
+}
+
+type Command struct {
+	Command     *cobra.Command
+	SubCommands []Commander
+	Configure   func(c *cobra.Command)
+}
+
+func (c Command) Initialize(f func(c *cobra.Command)) *cobra.Command {
+	if f != nil {
+		f(c.Command)
+	}
+
+	if c.Configure != nil {
+		c.Configure(c.Command)
+	}
+
+	for _, sub := range c.SubCommands {
+		c.Command.AddCommand(sub.Initialize(f))
+	}
+	return c.Command
+}