Docs: Anys Usage, Events & small cleanups (bp #8895)

[mergify]

This is an automatic backport of pull request #8895 done by Mergify.

Cherry-pick of 1a4418b has failed:

On branch mergify/bp/release/v0.42.x/pr-8895
Your branch is up to date with 'origin/release/v0.42.x'.

You are currently cherry-picking commit 1a4418b32.
  (fix conflicts and run "git cherry-pick --continue")
  (use "git cherry-pick --skip" to skip this patch)
  (use "git cherry-pick --abort" to cancel the cherry-pick operation)

Changes to be committed:
	modified:   docs/basics/accounts.md
	modified:   docs/building-modules/invariants.md
	modified:   docs/building-modules/simulator.md
	modified:   docs/core/baseapp.md
	modified:   docs/core/encoding.md
	modified:   docs/core/store.md

Unmerged paths:
  (use "git add/rm <file>..." as appropriate to mark resolution)
	deleted by us:   docs/architecture/adr-041-in-place-store-migrations.md
	both modified:   docs/basics/app-anatomy.md
	both modified:   docs/core/events.md

To fixup this pull request, you can check out it locally. See documentation: https://help.github.com/articles/checking-out-pull-requests-locally/

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