Now manage kubernetes version in ingress

The backend and ingressClassName are now under condition

generator/writers/utils.go

@@ -0,0 +1,14 @@
+package writers
+
+// CountSpaces returns the number of spaces from the begining of the line
+func CountSpaces(line string) int {
+	var spaces int
+	for _, char := range line {
+		if char == ' ' {
+			spaces++
+		} else {
+			break
+		}
+	}
+	return spaces
+}