Add syntax package for janet-lang

emacs/.emacs-all

@@ -40,6 +40,9 @@
 (straight-use-package 'solarized-theme)
 (straight-use-package 'windresize)
 (straight-use-package 'yasnippet)
+(straight-use-package
+ '(janet-mode :type git :host github
+   :repo "ALSchwalm/janet-mode")) 
 
 (require 'yasnippet)