docs: Improve markdownlint configuration (#11104)

## Description

Closes: #9404



---

### 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 [type prefix](https://github.com/commitizen/conventional-commit-types/blob/v3.0.0/index.json) in the PR title
- [ ] added `!` to the type prefix if API or client breaking change
- [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
- [ ] followed the guidelines for [building modules](https://github.com/cosmos/cosmos-sdk/blob/master/docs/building-modules)
- [ ] included the necessary unit and integration [tests](https://github.com/cosmos/cosmos-sdk/blob/master/CONTRIBUTING.md#testing)
- [ ] added a changelog entry to `CHANGELOG.md`
- [ ] included comments for [documenting Go code](https://blog.golang.org/godoc)
- [ ] updated the relevant documentation or specification
- [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...

- [ ] confirmed the correct [type prefix](https://github.com/commitizen/conventional-commit-types/blob/v3.0.0/index.json) in the PR title
- [ ] confirmed `!` in the type prefix if API or client breaking change
- [ ] confirmed all author checklist items have been addressed 
- [ ] reviewed state machine logic
- [ ] reviewed API design and naming
- [ ] reviewed documentation is accurate
- [ ] reviewed tests and test coverage
- [ ] manually tested (if applicable)

docs/run-node/run-node.md

@@ -8,8 +8,8 @@ Now that the application is ready and the keyring populated, it's time to see ho
 
 ## Pre-requisite Readings
 
-- [Anatomy of a Cosmos SDK Application](../basics/app-anatomy.md) {prereq}
-- [Setting up the keyring](./keyring.md) {prereq}
+* [Anatomy of a Cosmos SDK Application](../basics/app-anatomy.md) {prereq}
+* [Setting up the keyring](./keyring.md) {prereq}
 
 ## Initialize the Chain
 
@@ -95,8 +95,8 @@ simd gentx --help
 
 The Cosmos SDK automatically generates two configuration files inside `~/.simapp/config`:
 
-- `config.toml`: used to configure the Tendermint, learn more on [Tendermint's documentation](https://docs.tendermint.com/master/nodes/configuration.html),
-- `app.toml`: generated by the Cosmos SDK, and used to configure your app, such as state pruning strategies, telemetry, gRPC and REST servers configuration, state sync...
+* `config.toml`: used to configure the Tendermint, learn more on [Tendermint's documentation](https://docs.tendermint.com/master/nodes/configuration.html),
+* `app.toml`: generated by the Cosmos SDK, and used to configure your app, such as state pruning strategies, telemetry, gRPC and REST servers configuration, state sync...
 
 Both files are heavily commented, please refer to them directly to tweak your node.