sync svelte docs

Author: svelte-docs-bot[bot]

apps/svelte.dev/content/docs/svelte/01-introduction/02-getting-started.md

@@ -5,7 +5,7 @@ title: Getting started
 
 We recommend using [SvelteKit](../kit), which lets you [build almost anything](../kit/project-types). It's the official application framework from the Svelte team and powered by [Vite](https://vite.dev/). Create a new project with:
 
-```bash
+```sh
 npx sv create myapp
 cd myapp
 npm install

apps/svelte.dev/content/docs/svelte/07-misc/02-testing.md

@@ -11,7 +11,7 @@ Unit tests allow you to test small isolated parts of your code. Integration test
 
 To setup Vitest manually, first install it:
 
-```bash
+```sh
 npm install -D vitest
 ```
 
@@ -167,7 +167,7 @@ It is possible to test your components in isolation using Vitest.
 
 To get started, install jsdom (a library that shims DOM APIs):
 
-```bash
+```sh
 npm install -D jsdom
 ```
 

apps/svelte.dev/content/docs/svelte/98-reference/.generated/compile-warnings.md

@@ -683,7 +683,7 @@ Some templating languages (including Svelte) will 'fix' HTML by turning `<span /
 
 To automate this, run the dedicated migration:
 
-```bash
+```sh
 npx sv migrate self-closing-tags
 ```
 

apps/svelte.dev/content/docs/svelte/98-reference/30-compiler-warnings.md

@@ -704,7 +704,7 @@ Some templating languages (including Svelte) will 'fix' HTML by turning `<span /
 
 To automate this, run the dedicated migration:
 
-```bash
+```sh
 npx sv migrate self-closing-tags
 ```