(enh) Add F# as alias for F# (#3337)

* Add F# as alias for F#

Added F# as alias for F#. More consistent with C#.

CHANGES.md

@@ -22,13 +22,15 @@ Grammars:
 - enh(scala) add Scala 3 `end` soft keyword (#3327) [Nicolas Stucki][]
 - enh(scala) add `inline` soft keyword (#3329) [Nicolas Stucki][]
 - enh(scala) add `using` soft keyword (#3330) [Nicolas Stucki][]
+- enh(fsharp) added `f#` alias (#3337) [Bahnschrift][]
 
 [Austin Schick]: https://github.com/austin-schick
 [Josh Goebel]: https://github.com/joshgoebel
 [Denis Kovalchuk]: https://github.com/deniskovalchuk
 [monochromer]: https://github.com/monochromer
 [Teletha]: https://github.com/teletha
 [Nicolas Stucki]: https://github.com/nicolasstucki
+[Bahnschrift]: https://github.com/Bahnschrift
 
 
 ## Version 11.2.0

src/languages/fsharp.js

@@ -86,7 +86,10 @@ export default function(hljs) {
 
   return {
     name: 'F#',
-    aliases: ['fs'],
+    aliases: [
+      'fs',
+      'f#'
+    ],
     keywords: KEYWORDS,
     illegal: /\/\*/,
     contains: [