neovim: move most of files to after/plugin dir

neovim/.config/nvim/after/plugin/gitsigns.lua

@@ -0,0 +1,53 @@
+local a = require("gitsigns.actions")
+local reload_nvimtree = require("nvim-tree.actions.reloaders").reload_explorer
+
+require("gitsigns").setup({
+  signcolumn = true,
+  attach_to_untracked = false,
+  current_line_blame = true,
+  current_line_blame_opts = {
+    delay = 1000,
+  },
+  current_line_blame_formatter_opts = {
+    relative_time = true,
+  },
+  on_attach = function(bufnr)
+    vim.keymap.set("n", "<leader>gs", function()
+      a.stage_hunk()
+      reload_nvimtree()
+    end)
+    vim.keymap.set("n", "<leader>gu", function()
+      a.undo_stage_hunk()
+      reload_nvimtree()
+    end)
+    vim.keymap.set("n", "<leader>gr", function()
+      a.reset_hunk()
+      reload_nvimtree()
+    end)
+    vim.keymap.set("n", "<leader>gp", function()
+      a.preview_hunk()
+      reload_nvimtree()
+    end)
+    vim.keymap.set("n", "<leader>gn", function()
+      a.next_hunk()
+      reload_nvimtree()
+    end)
+    vim.keymap.set("n", "<leader>gN", function()
+      a.prev_hunk()
+      reload_nvimtree()
+    end)
+
+    vim.keymap.set("v", "gs", function()
+      a.stage_hunk()
+      reload_nvimtree()
+    end)
+    vim.keymap.set("v", "gu", function()
+      a.undo_stage_hunk()
+      reload_nvimtree()
+    end)
+    vim.keymap.set("v", "gr", function()
+      a.reset_hunk()
+      reload_nvimtree()
+    end)
+  end,
+})