fix cli tests

packages/cli/README.md

@@ -10,7 +10,7 @@ It handles building, bundling, development and publishing to simplify developmen
 
 ### Install the stable version (recommended)
 
-```
+```sh
 cargo install dioxus-cli
 ```
 
@@ -20,7 +20,7 @@ To get the latest bug fixes and features, you can install the development versio
 However, this is not fully tested.
 That means you're probably going to have more bugs despite having the latest bug fixes.
 
-```
+```sh
 cargo install --git https://github.com/DioxusLabs/dioxus dioxus-cli
 ```
 
@@ -29,7 +29,7 @@ and install it in Cargo's global binary directory (`~/.cargo/bin/` by default).
 
 ### Install from local folder
 
-```
+```sh
 cargo install --path . --debug
 ```
 
@@ -40,7 +40,7 @@ It will be cloned from the [dioxus-template](https://github.com/DioxusLabs/dioxu
 
 Alternatively, you can specify the template path:
 
-```
+```sh
 dx create hello --template gh:dioxuslabs/dioxus-template
 ```