Add support for zsh

Author: bergercookie

README.md

@@ -90,6 +90,7 @@ Shell        | :heavy_check_mark: | :heavy_check_mark:
 Swift        | :x:                | :x:
 Vim          | :heavy_check_mark: | :heavy_check_mark:
 Visual Basic | :x:                | :x:
+Zsh          | :heavy_check_mark: | :heavy_check_mark:
 
 For a more detailed description of `debugstring` check
 [doc/debugstring.txt](https://github.com/bergercookie/vim-debugstring/blob/master/doc/debugstring.txt)

ftplugin/sh.vim

@@ -7,7 +7,6 @@ function! s:DebugStringFun(desc, ...)
     else
         return DebugStringFunShellBase(a:desc, a:1)
     endif
-
 endfunc
 
 command! -buffer -nargs=0 AddDebugString

ftplugin/zsh.vim

@@ -0,0 +1 @@
+sh.vim

test/basic.vader

@@ -58,6 +58,8 @@ Execute (Ruby):
   :set filetype=ruby
 Execute (Shell):
   :set filetype=sh
+Execute (Zsh):
+  :set filetype=zsh
 Execute (Vim):
   :set filetype=vim
 Execute (Fortran):

test/ft/a.zsh

@@ -0,0 +1,2 @@
+echo "[[Vader-workbench]:$1$] DEBUGGING STRING ==> $2$"
+echo "a**2 + b**2:  ${a**2 + b**2}"