Add improved sql syntax, closes #505

build

@@ -261,6 +261,7 @@ PACKS="
   slime:slime-lang/vim-slime-syntax
   smt2:bohlender/vim-smt2
   solidity:tomlion/vim-solidity
+  sql:shmup/vim-sql-syntax
   stylus:wavded/vim-stylus
   svelte:evanleck/vim-svelte#main
   svg-indent:jasonshell/vim-svg-indent