chore: make markdown linter happy

README.md

@@ -1,9 +1,10 @@
 # okp4
+
 **okp4** is a blockchain built using Cosmos SDK and Tendermint and created with [Starport](https://starport.com).
 
 ## Get started
 
-```
+```sh
 starport chain serve
 ```
 
@@ -17,7 +18,7 @@ Your blockchain in development can be configured with `config.yml`. To learn mor
 
 Starport has scaffolded a Vue.js-based web app in the `vue` directory. Run the following commands to install dependencies and start the app:
 
-```
+```sh
 cd vue
 npm install
 npm run serve
@@ -26,21 +27,24 @@ npm run serve
 The frontend app is built using the `@starport/vue` and `@starport/vuex` packages. For details, see the [monorepo for Starport front-end development](https://github.com/tendermint/vue).
 
 ## Release
+
 To release a new version of your blockchain, create and push a new tag with `v` prefix. A new draft release with the configured targets will be created.
 
-```
+```sh
 git tag v0.1
 git push origin v0.1
 ```
 
 After a draft release is created, make your final changes from the release page and publish it.
 
 ### Install
+
 To install the latest version of your blockchain node's binary, execute the following command on your machine:
 
-```
+```sh
 curl https://get.starport.com/okp4/okp4@latest! | sudo bash
 ```
+
 `okp4/okp4` should match the `username` and `repo_name` of the Github repository to which the source code was pushed. Learn more about [the install process](https://github.com/allinbits/starport-installer).
 
 ## Learn more