Add bookmarks.<add|edit|remove|list> support

[winston-stripe]

Summary

Add support for the bookmarks.<add|edit|remove|list> endpoints https://api.slack.com/apis/bookmarks-api

Motivation

Implements bookmarks per request in #1036

PR preparation

Run make pr-prep from the root of the repository to run formatting, linting and tests.

• Done!

API changes

Since API changes have to be maintained they undergo a more detailed review and are more likely to require changes.

This PR does include API changes since it exposes new endpoints for accessing

• bookmarks.add https://api.slack.com/methods/bookmarks.add
• bookmarks.edit https://api.slack.com/methods/bookmarks.edit
• bookmarks.remove https://api.slack.com/methods/bookmarks.remove
• bookmarks.list https://api.slack.com/methods/bookmarks.list

All implemented methods include tests

[zchee]

@winston-stripe will review soon

[zchee]

@winston-stripe url.alues.Has added from go1.17, could you another approach?
https://pkg.go.dev/net/url#Values.Has

[winston-stripe]

@zchee sg, and i've removed the dependency on url.Values.Has. Thanks!

[zchee]

@winston-stripe Passes test. Thanks!
Will review to core logic.

[zchee]

Hmm, BTW go1.14 or older is too old. I want to protect the master branch with passes go1.15~go1.17(go1.18 in the future) CIs but haven't permission.

@kanata2 Could you add me to the owner role?

[winston-stripe]

lmk if there's anything else you need from me here :)

[kanata2]

@zchee granted you a repo's admin role. 😄

[zchee]

@winston-stripe will review again. sorry for the late

[R167]

hi @zchee, have you had a chance to review this again yet?

[zchee]

@R167 sorry for the late.
will review next week (after tomorrow).

[winston-stripe]

hi, just bumping this PR again 😃 (appreciate your time!)

[winston-stripe]

@kanata2 thanks for the checks! I fixed those spelling mistakes for when you have a chance to look again.

[kanata2]

Thanks! LGTM.

[winston-stripe]

one more followup: anything more to do here, or is it just "wait for the v0.11.0 milestone thing" and PRs will be merged then?

[kanata2]

merged