Fix some indentation behavio + add indent flag

generator/writers/utils.go

@@ -1,6 +1,9 @@
 package writers
 
-// CountSpaces returns the number of spaces from the begining of the line
+// IndentSize set the indentation size for yaml output.
+var IndentSize = 2
+
+// CountSpaces returns the number of spaces from the begining of the line.
 func CountSpaces(line string) int {
 	var spaces int
 	for _, char := range line {