- add Makefile

- improve README.md
- smaller fixes regarding configuration

internal/PinControlService/PinControlConfig.go

@@ -1,25 +1,23 @@
 package PinControlService
 
 type PinConfig struct {
-	PinNumber  int          `yaml:"number"`
-	Name string				`yaml:"name"`
-	Direction  PinDirection `yaml:"direction"`
-	PullConfig PinPull      `yaml:"pull-config"`
-	InitialState PinCommand   `yaml:"initial-state"`
-	SendPollingEvents *bool `yaml:"send-polling-events"`
-	SendChangeEvents *bool `yaml:"send-change-events"`
-
+	PinNumber         int          `yaml:"number"`
+	Name              string       `yaml:"name"`
+	Direction         PinDirection `yaml:"direction"`
+	PullConfig        PinPull      `yaml:"pull-config"`
+	InitialState      *PinCommand  `yaml:"initial-state"`
+	SendPollingEvents *bool        `yaml:"send-polling-events"`
+	SendChangeEvents  *bool        `yaml:"send-change-events"`
 }
 
 type PinControlConfig struct {
-	GpioPins []PinConfig `yaml:"gpio-pins"`
-	PollingTimeMs int `yaml:"polling-time-ms"`
-
+	GpioPins      []PinConfig `yaml:"gpio-pins"`
+	PollingTimeMs int         `yaml:"polling-time-ms"`
 }
 
 func NewPinControlConfig() PinControlConfig {
 	return PinControlConfig{
-		GpioPins: make([]PinConfig, 0),
+		GpioPins:      make([]PinConfig, 0),
 		PollingTimeMs: 100,
 	}
 }