Add a way to easily identify a secret setting value

this adds a bool field 'IsSecret' to SettingValue struct

we'll use this field to filter out secret config  values
in the o/p of 'crc config view' command

cmd/crc/cmd/config/view.go

@@ -55,6 +55,9 @@ func runConfigView(cfg map[string]config.SettingValue, tmpl *template.Template,
 		if v.IsDefault {
 			continue
 		}
+		if v.IsSecret {
+			continue
+		}
 		viewTmplt := configViewTemplate{k, v.AsString()}
 		var buffer bytes.Buffer
 		if err := tmpl.Execute(&buffer, viewTmplt); err != nil {

pkg/crc/config/config.go

@@ -182,6 +182,7 @@ func (c *Config) Get(key string) SettingValue {
 	return SettingValue{
 		Value:     value,
 		IsDefault: reflect.DeepEqual(setting.defaultValue, value),
+		IsSecret:  isUnderlyingTypeSecret(value),
 	}
 }
 

pkg/crc/config/secret_config_test.go

@@ -27,6 +27,7 @@ func TestGetSecret(t *testing.T) {
 	assert.Equal(t, SettingValue{
 		Value:     Secret("apples"),
 		IsDefault: true,
+		IsSecret:  true,
 	}, cfg.Get(secret))
 }
 
@@ -49,6 +50,7 @@ func TestSecretConfigSetAndGet(t *testing.T) {
 	assert.Equal(t, SettingValue{
 		Value:     Secret("pass123"),
 		IsDefault: false,
+		IsSecret:  true,
 	}, cfg.Get(password))
 }
 
@@ -62,5 +64,6 @@ func TestSecretConfigUnsetAndGet(t *testing.T) {
 	assert.Equal(t, SettingValue{
 		Value:     Secret("apples"),
 		IsDefault: true,
+		IsSecret:  true,
 	}, cfg.Get(secret))
 }

pkg/crc/config/types.go

@@ -26,6 +26,7 @@ type SettingValue struct {
 	Value     interface{}
 	Invalid   bool
 	IsDefault bool
+	IsSecret  bool
 }
 
 func (v SettingValue) AsBool() bool {