wrapper/rc: change vim.options.mouse to a string type

As the mouse option in neovim allows combining those values.

docs/release-notes/rl-0.8.md

@@ -16,6 +16,11 @@
 - Implement [](#opt-vim.git.gitsigns.setupOpts) for user-specified setup table
   in gitsigns configuration.
 
+- [](#opt-vim.options.mouse) no longer compares values to an enum of available
+  mouse modes. This means you can provide any string without the module system
+  warning you that it is invalid. Do keep in mind that this value is no longer
+  checked, so you will be responsible for ensuring its validity.
+
 [amadaluzia](https://github.com/amadaluzia):
 
 [haskell-tools.nvim]: https://github.com/MrcJkb/haskell-tools.nvim

modules/wrapper/rc/options.nix

@@ -167,16 +167,25 @@ in {
           };
 
           mouse = mkOption {
-            type = enum ["a" "n" "v" "i" "c"];
+            type = str;
-            default = "a";
+            default = "nvi";
+            example = "a";
             description = ''
               Set modes for mouse support.
 
-              * a - all
               * n - normal
               * v - visual
               * i - insert
-              * c - command
+              * c - command-line
+              * h - all modes when editing a help file
+              * a - all modes
+              * r - for hit-enter and more-prompt prompt
+
+              [neovim documentation]: https://neovim.io/doc/user/options.html#'mouse'"
+
+              This option takes a string to ensure proper conversion to the corresponding Lua type.
+              As such, we do not check the value passed to this option. Please ensure that any value
+              that is set here is a valid value as per [neovim documentation].
             '';
           };