Counts one attempt in a fixed window shared by every node. opts holds
scope, key, windowMs and realm ('' by default). Resolves
{ ok: true, count, remainingMs }, where count includes this attempt, or
{ ok: false, reason: 'store' | 'unshared', why }; it never rejects.
Counts one attempt in a fixed window shared by every node.
optsholdsscope,key,windowMsandrealm('' by default). Resolves{ ok: true, count, remainingMs }, wherecountincludes this attempt, or{ ok: false, reason: 'store' | 'unshared', why }; it never rejects.