refactor: seperate code into different files

utils.go

@@ -0,0 +1,23 @@
+package main
+
+func setNote(prozent float64) float64 {
+	switch {
+	case prozent <= 22:
+		return 6.00
+	case prozent <= 49:
+		return 5.00
+	case prozent <= 64:
+		return 4.00
+	case prozent <= 79:
+		return 3.00
+	case prozent <= 94:
+		return 2.00
+	default:
+		return 1.00
+	}
+}
+
+func checkGewichtung(lv, hv float64) bool {
+	sum := hv/100 + lv/100
+	return sum == 1
+}