chore: Auto generate docs

doc/genghis.txt

@@ -69,7 +69,7 @@ create keybindings for the commands you want to use:
     keymap("n", "<leader>mf", genghis.moveAndRenameFile)
     keymap("n", "<leader>nf", genghis.createNewFile)
     keymap("n", "<leader>yf", genghis.duplicateFile)
-    keymap("n", "<leader>df", function() genghis.trashFile { trashLocation = "your/path" } end) -- default: "$HOME/.Trash".
+    keymap("n", "<leader>df", genghis.trashFile)
     keymap("x", "<leader>x", genghis.moveSelectionToNewFile)
 <
 
@@ -88,6 +88,14 @@ FILE OPERATION COMMAND ~
 - `.moveAndRenameFile` or `:Move`Move and Rename the current file. Keeps the
     old name if the new path ends with `/`. Works like the UNIX `mv` command. Best
     used with |genghis-autocompletion-of-directories|.
+- `.trashFile`Trash the current file.
+    - Use `trashCmd` to specify an external trash command. It defaults to
+        `gio trash` on _Linux_, `trash` on _Mac_ and _Windows_.
+    - Otherwise specify `trashLocation` to move the file to that directory. It
+        defaults to `$HOME/.Trash`. This does NOT trash the file the usual way. The
+        trashed file is NOT restorable to its original path.
+    - For backwards compatibility, the default behavior on _Mac_ moves files to
+        `$HOME/.Trash`.
 
 The following applies to all commands above: - If no extension has been
 provided, uses the extension of the original file. - If the new file name