store: limit a name's link edits per year

scripts/store-service/store_service.ini.example

@@ -103,6 +103,9 @@ private_key = replace-me
 ;max_order_moves = 3
 ; on: only prepaid codes register names, and every paid name order answers 403 codes_only
 ;codes_only = off
+; the owner's link edits relayed for one name in any 365 days, each a transaction whose gas the
+; service pays; 1 to 100. A request refused, never sent or reverted on chain does not count
+;record_edits_per_year = 3
 ;
 ; community names, with [names] only: one line per name, `<label> = <what it is for>`, the label in
 ; lower case and listed once, the text 1 to 200 characters without a full stop at the end, which