添加git signs插件

lua/pack/configs/gitsigns.lua

@@ -0,0 +1,37 @@
+-- === git signs ===
+if vim.g.vscode then return end
+
+local P = {
+	name = "gitsigns.nvim",
+	build_cmd = ":TSUpdate",
+}
+
+-- 注册构建监听器
+PackUtils.setup_listener(P.name, P.build_cmd)
+
+-- 懒加载触发器
+vim.api.nvim_create_autocmd({
+	"UIEnter", -- vim.schedule(function()
+}, {
+	callback = function()
+		vim.schedule(function()
+			PackUtils.load(P, function()
+				require('gitsigns').setup {
+					on_attach = function()
+						local gitsigns = require('gitsigns')
+						local map = require("core.keymap")
+						-- Navigation
+						map:lua('t=', function()
+							gitsigns.nav_hunk('next')
+						end)
+						map:lua('t-', function()
+							gitsigns.nav_hunk('prev')
+						end)
+						-- show diff
+						map:lua('<leader>hd', gitsigns.diffthis)
+					end
+				}
+			end)
+		end)
+	end
+})