Add svg plugin, closes #388

build

@@ -264,6 +264,8 @@ PACKS="
   smt2:bohlender/vim-smt2
   solidity:tomlion/vim-solidity
   stylus:wavded/vim-stylus
+  svg-indent:jasonshell/vim-svg-indent
+  svg:vim-scripts/svg.vim
   swift:keith/swift.vim
   sxhkd:baskerville/vim-sxhkdrc
   systemd:wgwoods/vim-systemd-syntax