Improve config system

Add pkl to generate configs

config/emgauwa-controller.pkl

@@ -0,0 +1,71 @@
+amends "./lib/controller.pkl"
+
+server {
+	host = "127.0.0.1"
+	port = 4419
+}
+
+database = "sqlite://_local/emgauwa-controller.sqlite"
+
+permissions {
+	user = "emgauwa"
+	group = "emgauwa"
+}
+
+logging {
+	level = "DEBUG"
+	file = "stdout"
+}
+
+relays {
+	new {
+		driver = "gpio"
+		pin = 5
+		inverted = true
+	}
+	new {
+		driver = "gpio"
+		pin = 4
+		inverted = true
+	}
+	new {
+		driver = "gpio"
+		pin = 3
+		inverted = true
+	}
+	new {
+		driver = "gpio"
+		pin = 2
+		inverted = true
+	}
+	new {
+		driver = "gpio"
+		pin = 1
+		inverted = true
+	}
+	new {
+		driver = "gpio"
+		pin = 0
+		inverted = true
+	}
+	new {
+		driver = "gpio"
+		pin = 16
+		inverted = true
+	}
+	new {
+		driver = "gpio"
+		pin = 15
+		inverted = true
+	}
+	new {
+		driver = "piface"
+		pin = 1
+		inverted = false
+	}
+	new {
+		driver = "piface"
+		pin = 0
+		inverted = false
+	}
+}