Add kotlin syntax support

.vimrc

@@ -24,6 +24,10 @@ if executable('sbt')
   Plug 'derekwyatt/vim-scala'
 endif
 
+if executable('kotlin')
+  Plug 'udalov/kotlin-vim'
+endif
+
 if executable('ansible')
   Plug 'pearofducks/ansible-vim'
 endif