feat: userinput defaults

Author: roger-king

prompts/input.go

@@ -3,13 +3,18 @@ package prompts
 import "github.com/manifoldco/promptui"
 
 type UserInput struct {
-	Label string
+	Label   string
+	Default string
 }
 
 func (u *UserInput) Run() (string, error) {
 	prompt := promptui.Prompt{
-		Label:    u.Label,
+		Label: u.Label,
+	}
+
+	if len(u.Default) > 0 {
+		prompt.Default = u.Default
 	}
 
 	return prompt.Run()
-}
+}