Update dotfiles

.config/nvim/coc-settings.json

@@ -16,6 +16,12 @@
         "command": "opam",
         "args": ["config", "exec", "--", "ocamllsp"],
         "filetypes": ["ocaml", "reason"]
-      }
+      },
+      "haskell": {
+          "command": "haskell-language-server-wrapper",
+          "args": ["--lsp"],
+          "rootPatterns": ["*.cabal", "stack.yaml", "cabal.project", "package.yaml", "hie.yaml"],
+          "filetypes": ["haskell", "lhaskell"]
+        }
     }
 }