[NeoVim] Clean plugins settings

.config/nvim/fnl/settings/aerial.fnl

@@ -0,0 +1,16 @@
+(import-macros {: map!} :hibiscus.vim)
+(import-macros {: setup} :macros)
+
+(setup :aerial {
+       :close_behavior "global"
+       :open_automatic true
+       :placement_editor_edge true
+       :width 30
+       :on_attach (fn [bufnr]
+                      (map! [n :buffer] :t (fn []
+                                               (vim.tbl_map (fn [buf]
+                                                                (if (= (vim.api.nvim_buf_get_option buf "filetype") "aerial")
+                                                                    (vim.tbl_map (fn [win]
+                                                                                     (vim.api.nvim_set_current_win win))
+                                                                                 (vim.fn.win_findbuf buf))))
+                                                            (vim.api.nvim_list_bufs)))))})