Merge pull request #3 from linj-fork:pr/make-pretty-hydra-optional

fix: make pretty-hydra optional

Author: johnstonskj

sdml-mode-hydra.el

@@ -26,7 +26,7 @@
 
 (require 'sdml-mode)
 (require 'sdml-mode-ctags)
-(require 'pretty-hydra)
+(require 'pretty-hydra nil t)
 
 (cond
  ((featurep 'pretty-hydra)