Add working fsharp installation

languages/fsharp.el

@@ -0,0 +1,30 @@
+;;; fsharp.el --- summary
+
+;; Author: Maciej Szlosarczyk
+;; Maintainer: Maciej Szlosarczyk
+;; Version: 0.1-snapshot
+
+;;; Commentary:
+
+;; Fsharp configuration
+
+;;; Code:
+
+(require '05prog-mode "$HOME/.emacs.d/05prog-mode.el")
+(require '05flycheck "$HOME/.emacs.d/05flycheck.el")
+
+(use-package fsharp-mode
+  :requires (lsp-mode lsp-ui)
+  :ensure t
+  :defer t)
+
+(defun activate-fsharp-mode ()
+  "Activate F# goodies."
+  (set-indent 4)
+  (column-enforce-n 100)
+  (lsp-deferred))
+
+(add-hook 'fsharp-mode-hook 'activate-fsharp-mode)
+
+(provide 'languages/fsharp)
+;;; fsharp.el ends here