all: remove koka code, move go to repo root

durscale_string.go

@@ -0,0 +1,38 @@
+// Code generated by "stringer -type DurScale -trimprefix Duration -linecomment"; DO NOT EDIT.
+
+package horse
+
+import "strconv"
+
+func _() {
+	// An "invalid array index" compiler error signifies that the constant values have changed.
+	// Re-run the stringer command to generate them again.
+	var x [1]struct{}
+	_ = x[DurationDirect-1]
+	_ = x[DurationFrontDistance-2]
+	_ = x[DurationRemainingHP-3]
+	_ = x[DurationIncrementPass-4]
+	_ = x[DurationMidSideBlock-5]
+	_ = x[DurationRemainingHP2-7]
+}
+
+const (
+	_DurScale_name_0 = "directlyscaling with distance from the frontscaling with remaining HPincreasing with each pass while activescaling with mid-race phase blocked side time"
+	_DurScale_name_1 = "scaling with remaining HP"
+)
+
+var (
+	_DurScale_index_0 = [...]uint8{0, 8, 44, 69, 107, 152}
+)
+
+func (i DurScale) String() string {
+	switch {
+	case 1 <= i && i <= 5:
+		i -= 1
+		return _DurScale_name_0[_DurScale_index_0[i]:_DurScale_index_0[i+1]]
+	case i == 7:
+		return _DurScale_name_1
+	default:
+		return "DurScale(" + strconv.FormatInt(int64(i), 10) + ")"
+	}
+}