Add "script:" before bash script section in snippet

While it appears to work fine, the vs code extension for nextflow indicates this is not correct.


Signed-off-by: PeterKnealeCMRI <[email protected]>

docs/snippets/your-first-script.nf

@@ -4,6 +4,7 @@ process splitLetters {
     output:
     path 'chunk_*'
 
+    script:
     """
     printf '${params.str}' | split -b 6 - chunk_
     """
@@ -16,6 +17,7 @@ process convertToUpper {
     output:
     stdout
 
+    script:
     """
     cat $x | tr '[a-z]' '[A-Z]'
     """