[BREAKING] changed notification config format, support multiple notification providers, support webhook and markdown style notification

internal/notif/color.go

@@ -0,0 +1,23 @@
+package notif
+
+import "fmt"
+
+type Color uint
+
+const (
+	Red   Color = 0xff0000
+	Green Color = 0x00ff00
+	Blue  Color = 0x0000ff
+)
+
+func (c Color) HexString() string {
+	return fmt.Sprintf("#%x", c)
+}
+
+func (c Color) DecString() string {
+	return fmt.Sprintf("%d", c)
+}
+
+func (c Color) String() string {
+	return c.HexString()
+}