[docs] add Examples to each trigger/action

actions/printer.go

@@ -39,7 +39,21 @@ func (p Printer) GetName() string {
 }
 
 func (p Printer) GetDescription() string {
-	return "When triggered prints the configured message to stdout"
+	return `
+Prints a given message to stdout.
+This action is mostly used for debugging purposes.
+	`
+}
+
+func (p Printer) GetExample() string {
+	return `
+		{
+			type: "Print",
+			"options: {
+				"message": "Hello World!"
+			}
+		}
+	`
 }
 
 func (p Printer) GetOptions() []internal.ConfigOption {

actions/shutdown.go

@@ -37,7 +37,15 @@ func (p Shutdown) GetName() string {
 }
 
 func (p Shutdown) GetDescription() string {
-	return "When triggered shuts down the machine"
+	return "Shutsdown the machine by perfoming a ```shutdown -h now```"
+}
+
+func (p Shutdown) GetExample() string {
+	return `
+	{
+		"type": "Shutdown",
+	}
+	`
 }
 
 func (p Shutdown) GetOptions() []internal.ConfigOption {

actions/timeout.go

@@ -40,7 +40,21 @@ func (p TimeOut) GetName() string {
 }
 
 func (p TimeOut) GetDescription() string {
-	return "When triggered waits given duration before continuing with next stage"
+	return `
+Waits given duration in seconds.
+This can be used to wait a certain amount of time before continuing to the next Stage
+	`
+}
+
+func (p TimeOut) GetExample() string {
+	return `
+	{
+		"type": "Timeout",
+		"options": {
+			"duration": 5
+		}
+	}
+	`
 }
 
 func (p TimeOut) GetOptions() []internal.ConfigOption {

actions/unix_command.go

@@ -82,7 +82,18 @@ func (p Command) GetName() string {
 }
 
 func (p Command) GetDescription() string {
-	return "When triggered executes given command"
+	return "Invoces given command using exec."
+}
+
+func (p Command) GetExample() string {
+	return `
+	{
+		"type": "Command",
+		"options": {
+			"command": "srm /path/to/file"
+		}
+	}
+	`
 }
 
 func (p Command) GetOptions() []internal.ConfigOption {