add palette dat loader

formats/dat/dat.go

@@ -0,0 +1,21 @@
+package dat
+
+import (
+	"encoding/binary"
+	"io"
+
+	"github.com/FooSoft/lazarus/math"
+)
+
+type Palette struct {
+	Colors [256]math.Color3b
+}
+
+func NewFromReader(r io.Reader) (*Palette, error) {
+	p := new(Palette)
+	if err := binary.Read(r, binary.LittleEndian, p); err != nil {
+		return nil, err
+	}
+
+	return p, nil
+}