chore: repo - migrate external tools

repo/libs/external/my-nvim/nvim-config/lua/plugins/snacks.lua

@@ -0,0 +1,28 @@
+return {
+  {
+    "folke/snacks.nvim",
+    opts = function(_, opts)
+      -- ==================== 默认显示隐藏/被忽略文件 ====================
+      -- LazyVim install_version=8 默认 picker/explorer 都优先走 Snacks，这里统一打开 hidden/ignored。
+      opts.picker = opts.picker or {}
+      opts.picker.sources = opts.picker.sources or {}
+
+      local sources = opts.picker.sources
+      sources.files = vim.tbl_deep_extend("force", sources.files or {}, {
+        hidden = true,
+        ignored = true,
+      })
+
+      sources.explorer = vim.tbl_deep_extend("force", sources.explorer or {}, {
+        hidden = true,
+        ignored = true,
+      })
+
+      sources.grep = vim.tbl_deep_extend("force", sources.grep or {}, {
+        hidden = true,
+        ignored = true,
+      })
+    end,
+  },
+}
+