Allow to set verbosity of output (Closes #26)

controller/types.go

@@ -1,5 +1,7 @@
 package controller
 
+import "gitea.ligthert.net/golang/sudoku-funpark/outputter"
+
 // Simple interface to store values shared amongst packages.
 type Controller struct {
 	// All possible blocks/rows available
@@ -32,4 +34,8 @@ type Controller struct {
 	Part int
 	// Type of output requested
 	Output string
+	// Select printing method
+	Print string
+	// Outputter package
+	Outputter *outputter.Outputter
 }