docs: fix cosmovisor quickstart (backport cosmos#9730) (cosmos#9789)

* docs: fix cosmovisor quickstart (cosmos#9730)

## Description

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Automatically create a copy of [Cosmovisor Quickstart](https://docs.cosmos.network/v0.43/run-node/cosmovisor.html) from [Cosmovisor README](https://github.com/cosmos/cosmos-sdk/blob/master/cosmovisor/README.md) and minor fixes to Cosmovisor README.

---

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(cherry picked from commit bf049d3)

# Conflicts:
#	docs/run-node/cosmovisor.md

* fix conflicts

Co-authored-by: Ryan Christoffersen <[email protected]>
Co-authored-by: ryanchrypto <[email protected]>

cosmovisor/README.md

@@ -39,7 +39,7 @@ All arguments passed to `cosmovisor` will be passed to the application binary (a
             └── $DAEMON_NAME
 ```
 
-The `cosmovisor/` directory incudes a subdirectory for each version of the application (i.e. `genesis` or `upgrades/<name>`). Within each subdirectory is the application binary (i.e. `bin/$DAEMON_NAME`) and any additional auxiliary files associated with each binary. `current` is a symbolic link to the currently active directory (i.e `genesis` or `upgrades/<name>`). The `name` variable in `upgrades/<name>` is the URI-encoded name of the upgrade as specified in the upgrade module plan.
+The `cosmovisor/` directory incudes a subdirectory for each version of the application (i.e. `genesis` or `upgrades/<name>`). Within each subdirectory is the application binary (i.e. `bin/$DAEMON_NAME`) and any additional auxiliary files associated with each binary. `current` is a symbolic link to the currently active directory (i.e. `genesis` or `upgrades/<name>`). The `name` variable in `upgrades/<name>` is the URI-encoded name of the upgrade as specified in the upgrade module plan.
 
 Please note that `$DAEMON_HOME/cosmovisor` only stores the *application binaries*. The `cosmovisor` binary itself can be stored in any typical location (e.g. `/usr/local/bin`). The application will continue to store its data in the default data directory (e.g. `$HOME/.gaiad`) or the data directory specified with the `--home` flag. `$DAEMON_HOME` is independent of the data directory and can be set to any location. If you set `$DAEMON_HOME` to the same directory as the data directory, you will end up with a configuation like the following:
 
@@ -90,7 +90,7 @@ https://example.com/testnet-1001-info.json?checksum=sha256:deaaa99fda9407c4dbe1d
 
 When `cosmovisor` is triggered to download the new binary, `cosmovisor` will parse the `"binaries"` field, download the new binary with [go-getter](https://github.com/hashicorp/go-getter), and unpack the new binary in the `upgrades/<name>` folder so that it can be run as if it was installed manually.
 
-Note that for this mechanism to provide strong security guarantees, all URLs should include a SHA 256/512 checksum. This ensures that no false binary is run, even if someone hacks the server or hijacks the DNS. `go-getter` will always ensure the downloaded file matches the checksum if it is provided.
+Note that for this mechanism to provide strong security guarantees, all URLs should include a SHA 256/512 checksum. This ensures that no false binary is run, even if someone hacks the server or hijacks the DNS. `go-getter` will always ensure the downloaded file matches the checksum if it is provided. `go-getter` will also handle unpacking archives into directories (in this case the download link should point to a `zip` file of all data in the `bin` directory).
 
 To properly create a sha256 checksum on linux, you can use the `sha256sum` utility. For example:
 
@@ -106,7 +106,13 @@ You can also use `sha512sum` if you would prefer to use longer hashes, or `md5su
 
 The following instructions provide a demonstration of `cosmovisor` using the simulation application (`simapp`) shipped with the Cosmos SDK's source code. The following commands are to be run from within the `cosmos-sdk` repository.
 
-First compile the `simd` binary:
+First, check out the latest `v0.42` release:
+
+```
+git checkout v0.42.7
+```
+
+Compile the `simd` binary:
 
 ```
 make build
@@ -186,7 +192,7 @@ app.UpgradeKeeper = upgradekeeper.NewKeeper(skipUpgradeHeights, keys[upgradetype
 
 After that line, add the following:
 
- ```go
+```go
 app.UpgradeKeeper.SetUpgradeHandler("test1", func(ctx sdk.Context, plan upgradetypes.Plan) {
 	// Add some coins to a random account
 	addr, err := sdk.AccAddressFromBech32("cosmos18cgkqduwuh253twzmhedesw3l7v3fm37sppt58")