Files
cosmos-sdk/docs/building-modules
Ryan Christoffersen 6098d7ed55 docs: add chain upgrade guide v0.43 (#9567)
## Description

<!-- Add a description of the changes that this PR introduces and the files that
are the most critical to review. -->

This pull request adds a chain upgrade guide and example for v0.43. This pull request also removes migration documentation specific to v0.42 and adds links to v0.42 documentation when referencing genesis migrations.

---

### Author Checklist

*All items are required. Please add a note to the item if the item is not applicable and
please add links to any relevant follow up issues.*

I have...

- [x] included the correct `docs:` prefix in the PR title
- [x] targeted the correct branch (see [PR Targeting](https://github.com/cosmos/cosmos-sdk/blob/master/CONTRIBUTING.md#pr-targeting))
- [x] provided a link to the relevant issue or specification - n/a
- [x] followed the [documentation writing guidelines](https://github.com/cosmos/cosmos-sdk/blob/master/docs/DOC_WRITING_GUIDELINES.md)
- [x] reviewed "Files changed" and left comments if necessary
- [x] confirmed all CI checks have passed

### Reviewers Checklist

*All items are required. Please add a note if the item is not applicable and please add
your handle next to the items reviewed if you only reviewed selected items.*

I have...

- [x] confirmed the correct `docs:` prefix in the PR title
- [x] confirmed all author checklist items have been addressed 
- [ ] confirmed that this PR only changes documentation
- [ ] reviewed content for consistency
- [ ] reviewed content for thoroughness
- [ ] reviewed content for spelling and grammar
- [ ] tested instructions (if applicable)
2021-07-19 15:35:56 +00:00
..
2021-06-08 12:03:42 +00:00
2021-06-08 12:03:42 +00:00
2021-06-08 12:03:42 +00:00