added r lang

CHANGES.md

@@ -8,6 +8,7 @@
 * Added: keyword `x16` for css element selectors
 * Added: contextual keywords to csharp - thanks to [mabako on GitHub](https://github.com/EnlighterJS/EnlighterJS/pull/112)
 * Added: kotlin string template support
+* Added: `r` language support (covered by generic ruleset)
 * Changed: css selector fragment highlighting is limited to the selector itself
 * Changed: enhanced css unit parsing
 * Changed: `java`, `scala`, `cpp` annotation token changed to `k11`

src/lang/index.js

@@ -42,6 +42,7 @@ export {prolog} from './prolog';
 export {purebasic} from './purebasic';
 export {python} from './python';
 export {qml} from './qml';
+export {r} from './r';
 export {raw} from './raw';
 export {ruby} from './ruby';
 export {rust} from './rust';

src/lang/r.js

@@ -0,0 +1,21 @@
+// ----------------------------------------------------------------------
+// This Source Code Form is subject to the terms of the Mozilla Public
+// License, v. 2.0. If a copy of the MPL was not distributed with this
+// file, You can obtain one at http://mozilla.org/MPL/2.0/.
+// --
+// Copyright 2020 Andi Dittrich <https://andidittrich.de>
+// ----------------------------------------------------------------------
+
+// Generic Rules/Regex
+import {generic} from './generic';
+
+// r language
+// Author: [Andi Dittrich]
+// --
+export class r extends generic {
+
+    // language aliases
+    static alias(){
+        return [];
+    }
+}