Fix missing import of SwiftFormat

src/linters/index.js

@@ -1,24 +1,26 @@
 const Black = require("./black");
-const RuboCop = require("./rubocop");
 const ESLint = require("./eslint");
 const Flake8 = require("./flake8");
 const Gofmt = require("./gofmt");
 const Prettier = require("./prettier");
+const RuboCop = require("./rubocop");
 const Stylelint = require("./stylelint");
+const SwiftFormat = require("./swiftformat");
 const SwiftLint = require("./swiftlint");
 
 const linters = {
 	// Linters
 	eslint: ESLint,
 	flake8: Flake8,
+	rubocop: RuboCop,
 	stylelint: Stylelint,
 	swiftlint: SwiftLint,
-	rubocop: RuboCop,
 
 	// Formatters (should be run after linters)
 	black: Black,
 	gofmt: Gofmt,
 	prettier: Prettier,
+	swiftformat: SwiftFormat,
 };
 
 module.exports = linters;