Xontrib-hist-format

Added space before output.

Added `-m`/`--min` to add `<details>` tag.

* Removed commands list from default output (use `-l` or `--show-commands-list` for this)
* Removed link to xontrib-hist-format from header
* Added xontrib-hist-format mention as comment

Fix md format.

Added `hist-txt` shortcut.

Added `txt` format.