neovim: add outline plugin for lsp

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

@@ -0,0 +1,12 @@
+require("outline").setup({
+  outline_window = {
+    auto_close = true,
+    center_on_jump = true,
+  },
+  preview_window = {
+    auto_preview = true,
+    live = true,
+  },
+})
+
+vim.keymap.set("n", "<leader>o", vim.cmd.Outline)

neovim/.config/nvim/init.lua

@@ -47,6 +47,7 @@ require("packer").startup(function(use)
   use({ "neovim/nvim-lspconfig" })
   use({ "williamboman/mason.nvim", "williamboman/mason-lspconfig.nvim" })
   use({ "nvimtools/none-ls.nvim" })
+  use({ "hedyhli/outline.nvim" })
 
   use({ "kyazdani42/nvim-tree.lua" })
   use({ "kyazdani42/nvim-web-devicons" })