Add option for sqlformat to re-indent

src/beautifiers/sqlformat.coffee

@@ -17,7 +17,7 @@ module.exports = class Sqlformat extends Beautifier
   beautify: (text, language, options) ->
     @run("sqlformat", [
       @tempFile("input", text)
-      "--reindent"
+      "--reindent=#{options.reindent}" if options.reindent?
       "--indent_width=#{options.indent_size}" if options.indent_size?
       "--keywords=#{options.keywords}" if (options.keywords? && options.keywords != 'unchanged')
       "--identifiers=#{options.identifiers}" if (options.identifiers? && options.identifiers != 'unchanged')

src/languages/sql.coffee

@@ -26,6 +26,10 @@ module.exports = {
       default: null
       minimum: 0
       description: "Indentation size/length"
+    reindent:
+      type: 'boolean'
+      default: true
+      description: "Change indentations of the statements. Uncheck this option to preserve indentation"
     keywords:
       type: 'string'
       default: "upper"