Reattach tmux sessions on alacritty start

tmux/tmux_attach.sh

@@ -0,0 +1,13 @@
+#!/bin/bash
+#
+# tmux-attach - attach to first unattached session or
+#         create new session if none are found
+#
+N=$(tmux ls | grep -v attached | head -1 | cut -d: -f1)
+
+if [[ ! -z $N ]]
+then
+    ATTACH_OPTS="attach -t $N"
+fi
+
+exec tmux $ATTACH_OPTS