[css-fonts-5] start preparing for FPWD

Author: svgeesus

css-fonts-5/Overview.bs

@@ -2,7 +2,9 @@
 Title: CSS Fonts Module Level 5
 Shortname: css-fonts
 Level: 5
-Status: ED
+Status: FPWD
+Date: 2021-06-29
+Prepare for TR: yes
 Work Status: exploring
 Group: CSSWG
 ED: https://drafts.csswg.org/css-fonts-5/