horsegen: generate scenarios since sparks use them

horsegen/gen.go

@@ -123,6 +123,21 @@ func ExecSaddle(t *template.Template, region string, kk, g io.Writer, saddles []
 	return err
 }
 
+func ExecScenario(t *template.Template, region string, kk, g io.Writer, scen []Scenario) error {
+	data := struct {
+		Region    string
+		Scenarios []Scenario
+	}{region, scen}
+	var err error
+	if kk != nil {
+		err = errors.Join(err, t.ExecuteTemplate(kk, "koka-scenario", &data))
+	}
+	if g != nil {
+		err = errors.Join(err, t.ExecuteTemplate(g, "go-scenario", &data))
+	}
+	return err
+}
+
 const wordSeps = " ,!?/-+();#○☆♡'=♪∀ﾟ∴"
 
 var (