vimrc: add zig.vim stuff

vim_packages

@@ -19,7 +19,8 @@
 │       ├── vim-asm_ca65
 │       ├── vim-gdscript3
 │       ├── vim-polyglot
-│       └── vim-zscript
+│       ├── vim-zscript
+│       └── zig.vim
 └── 20_features
     ├── opt
     │   ├── ack.vim
@@ -40,4 +41,4 @@
         ├── vim-localvimrc
         └── vim-markdown-toc
 
-40 directories
+41 directories

vimrc

@@ -104,6 +104,9 @@ let g:tagbar_autoshowtag=1
 " abolish
 let g:abolish_no_mappings=1 " we set out own later
 
+" zig.vim
+let g:zig_fmt_autosave=0
+
 " gui and terminal specific settings
 if has('gui_running')
    set guicursor+=i:hor10-Cursor