added syntax highlighting

README.md

@@ -6,11 +6,13 @@ Dummy for a Rosetta MigrationPlugin that just copies original file to new file.
 Howto build
 -----------
 
+```bash
 	# change to plugin source code directory
 	$# cd ~/rosetta_migration_plugin_dummy
 
 	# create JAR file
 	$# jar cf rosetta_migration_plugin_dummy.jar .
+```
 
 Howto install
 -------------