Add bwa_index format

Author: Delphine-L

lib/galaxy/config/sample/datatypes_conf.xml.sample

@@ -359,6 +359,7 @@
       <converter file="archive_to_directory.xml" target_datatype="directory"/>
     </datatype>
     <datatype extension="directory" type="galaxy.datatypes.data:Directory"/>
+    <datatype extension="bwa_index" display_in_upload="true" type="galaxy.datatypes.data:Directory" subclass="true"/>
     <datatype extension="bwa_mem2_index" display_in_upload="true" type="galaxy.datatypes.data:Directory" subclass="true"/>
     <datatype extension="lexicmap_index" display_in_upload="true" type="galaxy.datatypes.data:Directory" subclass="true"/>
     <datatype extension="kmindex" display_in_upload="true" type="galaxy.datatypes.data:Directory" subclass="true"/>

test/functional/tools/sample_datatypes_conf.xml

@@ -61,6 +61,7 @@
     </datatype>
     <datatype extension="directory" type="galaxy.datatypes.data:Directory">
     </datatype>
+    <datatype extension="bwa_index" display_in_upload="true" type="galaxy.datatypes.data:Directory" subclass="true"/>
     <datatype extension="bwa_mem2_index" display_in_upload="true" type="galaxy.datatypes.data:Directory" subclass="true"/>
     <datatype extension="lexicmap_index" display_in_upload="true" type="galaxy.datatypes.data:Directory" subclass="true"/>
     <datatype extension="h5" type="galaxy.datatypes.binary:H5" mimetype="application/octet-stream" display_in_upload="true"/>