nvim: Switch to aerial.nvim for outlines

Move from simrats symbols outline which worked very well but had
specific issues for displaying markdown outlines as soon as any
lsp would attach itself to the same buffer.

Aerial seems to not suffer from those issues so this is the one
we will go with for now.

nvim/.config/nvim/lazy-lock.json

@@ -3,6 +3,7 @@
   "BetterLua.vim": { "branch": "master", "commit": "d2d6c115575d09258a794a6f20ac60233eee59d5" },
   "LuaSnip": { "branch": "master", "commit": "0b4950a237ce441a6a3a947d501622453f6860ea" },
   "Navigator.nvim": { "branch": "master", "commit": "91d86506ac2a039504d5205d32a1d4bc7aa57072" },
+  "aerial.nvim": { "branch": "master", "commit": "fb1f08c9f90e8b0c04b2f2c5d95d06288a14c5b2" },
   "bats.vim": { "branch": "master", "commit": "6a5d2ef22b0ede503d867770afd02ebb1f97b709" },
   "cmp-beancount": { "branch": "main", "commit": "da154ea94d598e6649d6ad01efa0a8611eff460d" },
   "cmp-buffer": { "branch": "main", "commit": "3022dbc9166796b644a841a02de8dd1cc1d311fa" },
@@ -61,7 +62,6 @@
   "popup.nvim": { "branch": "master", "commit": "b7404d35d5d3548a82149238289fa71f7f6de4ac" },
   "quarto-nvim": { "branch": "main", "commit": "35f86035e7b3846dbf168267ffe0021c3d312259" },
   "smartcolumn.nvim": { "branch": "main", "commit": "0c572e3eae48874f25b74394a486f38cadb5c958" },
-  "symbols-outline.nvim": { "branch": "master", "commit": "512791925d57a61c545bc303356e8a8f7869763c" },
   "telescope-fzf-native.nvim": { "branch": "main", "commit": "9bc8237565ded606e6c366a71c64c0af25cd7a50" },
   "telescope.nvim": { "branch": "master", "commit": "776b509f80dd49d8205b9b0d94485568236d1192" },
   "twilight.nvim": { "branch": "main", "commit": "8bb7fa7b918baab1ca81b977102ddb54afa63512" },

nvim/.config/nvim/lua/core/mappings.lua

@@ -204,7 +204,7 @@ map("n", "<leader>sm", ":lua MiniMap.toggle()<cr>", { silent = true, desc = "tog
 map("n", "<leader>ss", ":lua MiniStarter.open()<cr>", { desc = "show startpage" })
 
 -- PLUGIN: symbols-outline.nvim
-map("n", "<leader>so", "<cmd>SymbolsOutline<cr>", { silent = true, desc = "toggle symbol outline" })
+map("n", "<leader>so", "<cmd>AerialToggle<cr>", { silent = true, desc = "toggle symbol outline" })
 
 -- PLUGIN: nvim-tree
 map("n", "<leader>se", "<cmd>NvimTreeToggle<cr>", { silent = true, desc = "toggle filetree" })

nvim/.config/nvim/lua/plugins/ide.lua

@@ -1,6 +1,18 @@
 return {
 	-- vista-like outline view for code
-	{ "simrat39/symbols-outline.nvim", config = true, cmd = "SymbolsOutline" },
+	{
+		"stevearc/aerial.nvim",
+		config = true,
+		-- Optional dependencies
+		dependencies = {
+			"nvim-treesitter/nvim-treesitter",
+			"nvim-tree/nvim-web-devicons",
+		},
+		event = "VeryLazy",
+		opts = {
+			backends = { "treesitter", "lsp", "markdown", "man" },
+		},
+	},
 	-- show a signature whenever editing a function or similar
 	{ "ray-x/lsp_signature.nvim", config = true, event = "VeryLazy" },
 	{