Add back mysteriously disappearing config

lua/plugins/config/aerial.lua

@@ -0,0 +1,38 @@
+--[[
+    Copyright 2023 Oscar Wallberg
+    Licensed under the Apache License, Version 2.0 (the "License");
+    you may not use this file except in compliance with the License.
+    You may obtain a copy of the License at
+        https://www.apache.org/licenses/LICENSE-2.0
+    Unless required by applicable law or agreed to in writing, software
+    distributed under the License is distributed on an "AS IS" BASIS,
+    WITHOUT WARRANTIES OR CONDITIONS OF ANY KIND, either express or implied.
+    See the License for the specific language governing permissions and
+    limitations under the License.
+]]
+
+-- https://github.com/stevearc/aerial.nvim
+
+require("aerial").setup({
+    layout = {
+        min_width = 40,
+        placement = "edge",
+    },
+    disable_max_size = 10000000,
+    highlight_on_hover = true,
+    ignore = {
+        unlisted_buffers = true,
+    },
+    on_attach = function (bufnr)
+        -- Toggle the aerial window with <leader>a
+        vim.api.nvim_buf_set_keymap(bufnr, "n", "<leader>at", "<cmd>AerialToggle!<CR>", {})
+        -- Jump forwards/backwards with '{' and '}'
+        vim.api.nvim_buf_set_keymap(bufnr, "n", "{", "<cmd>AerialPrev<CR>", {})
+        vim.api.nvim_buf_set_keymap(bufnr, "n", "}", "<cmd>AerialNext<CR>", {})
+        -- Jump up the tree with '[[' or ']]'
+        vim.api.nvim_buf_set_keymap(bufnr, "n", "[[", "<cmd>AerialPrevUp<CR>", {})
+        vim.api.nvim_buf_set_keymap(bufnr, "n", "]]", "<cmd>AerialNextUp<CR>", {})
+    end,
+    show_guides = true,
+})
+