plugins/hunk: init

Add support for [hunk.nvim][1], a plugin for splitting diffs.

Also add myself as a maintainer for it.

[1]: https://github.com/julienvincent/hunk.nvim

plugins/by-name/hunk/default.nix

@@ -0,0 +1,50 @@
+{
+  lib,
+  helpers,
+  config,
+  ...
+}:
+lib.nixvim.plugins.mkNeovimPlugin {
+  name = "hunk";
+  packPathName = "hunk.nvim";
+  package = "hunk-nvim";
+
+  description = ''
+    A tool for splitting diffs in Neovim.
+
+     If you wish to display icons in the file tree you should enable either
+     `plugins.web-devicons` or `plugins.mini`. If using `plugins.mini`, you
+     must enable the `icons` module.
+  '';
+
+  maintainers = [ lib.maintainers.jalil-salame ];
+
+  extraConfig.plugins.nui.enable = lib.mkDefault true; # required dependency
+
+  settingsExample = {
+    keys.global.quit = [ "x" ];
+
+    ui = {
+      tree = {
+        mode = "flat";
+        width = 40;
+      };
+      layout = "horizontal";
+    };
+
+    hooks = {
+      on_tree_mount =
+        lib.nixvim.nestedLiteralLua # lua
+          ''
+            ---@param _context { buf: number, tree: NuiTree, opts: table }
+            function(_context) end
+          '';
+      on_diff_mount =
+        lib.nixvim.nestedLiteralLua # lua
+          ''
+            ---@param _context { buf: number, win: number }
+            function(_context) end
+          '';
+    };
+  };
+}