Rules: a quota is one line, the rest in its dialog

A rule's quota shows on its row as one line (what it used, how it
resets) that opens a dialog with the rest: the allowance, last and next
reset, usage (each address's, with Reset and Give back), and Reset and
Give back for everyone.

Co-Authored-By: Claude Opus 5.5 <noreply@anthropic.com>

docs/rules.md

@@ -192,8 +192,9 @@ hc rule reset-quota 31 --give 5gbytes --address 192.168.1.23
 
 `--give` is a top-up: it takes that much off what was used (never below
 zero), so the device gets 5 GB more until the quota's next reset, and the
-rule stays as it is. The web UI has **Reset** and **Give back…** on the
-rule, and for each address in its usage dialog. Like a reset, these are
+rule stays as it is. In the web UI, the quota's line under the rule
+opens its dialog: usage (each address's), resets, and **Reset** and
+**Give back…** for everyone or one address. Like a reset, these are
 done at once (audited, not staged or on probation); Housecarl puts the
 ruleset in force again with the new figure.