change order of steps and add two outputs in bwa_index.nf subworkflow

structuralvariants/nextflow/subworkflows/bwa_index.nf

 /*
  * Includes for bwa_index
  */
+include {
+ SAMTOOLS_FAIDX
+} from "../modules/samtools_faidx"
 include {
   BWA_INDEX
 } from "../modules/bwa_index"
-include {
-  SAMTOOLS_FAIDX
-} from "../modules/samtools_faidx"
-
 
 /*
 * Subworkflow bwa_index
@@ -17,9 +16,11 @@ workflow SUB_BWA_INDEX {
     reference_fasta
 
   main:
+    // TODO gunzip
+    SAMTOOLS_FAIDX(reference_fasta)
     BWA_INDEX(reference_fasta)
-    SAMTOOLS_FAIDX(reference_fasta, BWA_INDEX.out)
 
   emit:
-    output = SAMTOOLS_FAIDX.out
-}
\ No newline at end of file
+    fai = SAMTOOLS_FAIDX.out
+    indexs = BWA_INDEX.out
+}