refactor(nvim): clean up directory structure

homeManagerModules/neovim/git/default.nix

@@ -0,0 +1,27 @@
+{pkgs, ...}: {
+  programs.neovim.plugins = [
+    pkgs.vimPlugins.fugitive
+
+    {
+      plugin = pkgs.vimPlugins.gitsigns-nvim;
+      type = "lua";
+      config =
+        # lua
+        ''
+          local gitsigns = require("gitsigns");
+
+          local function visual_stage()
+              local first_line = vim.fn.line('v');
+              local last_line = vim.fn.getpos('.')[2];
+              gitsigns.stage_hunk({ first_line, last_line });
+          end
+
+          vim.keymap.set("v", "gs", function()
+              visual_stage()
+          end);
+
+          gitsigns.setup();
+        '';
+    }
+  ];
+}