Move paging effect into polysemy-wire-zoo

[isovector]

In #2636, @pcapriotti suggested I use the existing paging machinery in Galley, rather than roll my own version. This PR moves the necessary machinery into polysemy-wire-zoo so it can be reused by other services.

Checklist

• The PR Title explains the impact of the change.
• The PR description provides context as to why the change should occur and what the code contributes to that effect. This could also be a link to a JIRA ticket or a Github issue, if there is one.
• I updated changelog.d subsections with one or more entries with the following bits of information (details):

[isovector]

@pcapriotti please take a look