Add Solidity mode

init.el

 (require 'init-python-mode)
 (require 'init-sql)
 (require 'init-octave)
+(require 'init-solidity)
 
 (when *spell-check-support-enabled*
   (require 'init-spelling))

lisp/init-solidity.el

+;;; package --- Solidity mode
+;;; Commentary:
+;;; Code:
+
+(require-package 'solidity-mode)
+
+(provide 'init-solidity)
+;;;