feat: implement update command and add error check for toml key access

cmd/create.go

@@ -32,11 +32,8 @@ var createCmd = &cobra.Command{
 				return
 			}
 
-			project := envy.Get("envy.project").(string)
-			if project == "" {
-				utils.ErrPrint("Project name is empty. envy.toml file might have been modified.")
-				return
-			}
+			project, err := utils.GetKey(envy, "envy.project")
+			utils.StopIfErr(err)
 
 			dbProject, err := utils.GetProject(project)
 			if err != nil {