Implement title alignment

This adds support for `i3 4.16`'s ability to set the title alignment.
The command is `title_align left|center|right`.

When the title is on the right, marks are moved to the left. Otherwise,
they are on the right.

1 files changed, 1 insertions, 0 deletions

diff --git a/sway/config.c b/sway/config.c
index 59edc6d8..675d20e5 100644
--- a/sway/config.c
+++ b/sway/config.c
@@ -234,6 +234,7 @@ static void config_defaults(struct sway_config *config) {
 	config->auto_back_and_forth = false;
 	config->reading = false;
 	config->show_marks = true;
+	config->title_align = ALIGN_LEFT;
 	config->tiling_drag = true;
 
 	config->smart_gaps = false;