home: vim: oil: add detail view toggle mapping

modules/home/vim/plugin/settings/oil.lua

@@ -1,3 +1,26 @@
 local oil = require("oil")
+local detail = false
 
-oil.setup()
+oil.setup({
+    view_options = {
+        -- Show files and directories that start with "." by default
+        show_hidden = true,
+        -- But never '..'
+        is_always_hidden = function(name, bufnr)
+            return name == ".."
+        end,
+    },
+    keymaps = {
+        ["gd"] = {
+            desc = "Toggle file detail view",
+            callback = function()
+                detail = not detail
+                if detail then
+                    oil.set_columns({ "icon", "permissions", "size", "mtime" })
+                else
+                    oil.set_columns({ "icon" })
+                end
+            end,
+        },
+    },
+})