chore: make some links root-relative (#13237)

Author: Rich-Harris

documentation/docs/10-getting-started/10-introduction.md

@@ -6,7 +6,7 @@ title: Introduction
 
 > [!NOTE] If you're new to Svelte or SvelteKit we recommend checking out the [interactive tutorial](/tutorial/kit).
 >
-> If you get stuck, reach out for help in the [Discord chatroom](https://svelte.dev/chat).
+> If you get stuck, reach out for help in the [Discord chatroom](/chat).
 
 ## What is SvelteKit?
 

documentation/docs/20-core-concepts/50-state-management.md

@@ -110,7 +110,7 @@ You might wonder how we're able to use `page.data` and other [app state]($app-st
 <p>Welcome {user().name}</p>
 ```
 
-> [!NOTE] We're passing a function into `setContext` to keep reactivity across boundaries. Read more about it [here](https://svelte.dev/docs/svelte/$state#Passing-state-into-functions)
+> [!NOTE] We're passing a function into `setContext` to keep reactivity across boundaries. Read more about it [here](/docs/svelte/$state#Passing-state-into-functions)
 
 > [!LEGACY]
 > You also use stores from `svelte/store` for this, but when using Svelte 5 it is recommended to make use of universal reactivity instead.

documentation/docs/60-appendix/50-additional-resources.md

@@ -20,4 +20,4 @@ SvelteKit users have also published plenty of examples on GitHub, under the [#sv
 
 ## Support
 
-You can ask for help on [Discord](https://svelte.dev/chat) and [StackOverflow](https://stackoverflow.com/questions/tagged/sveltekit). Please first search for information related to your issue in the FAQ, Google or another search engine, issue tracker, and Discord chat history in order to be respectful of others' time. There are many more people asking questions than answering them, so this will help in allowing the community to grow in a scalable fashion.
+You can ask for help on [Discord](/chat) and [StackOverflow](https://stackoverflow.com/questions/tagged/sveltekit). Please first search for information related to your issue in the FAQ, Google or another search engine, issue tracker, and Discord chat history in order to be respectful of others' time. There are many more people asking questions than answering them, so this will help in allowing the community to grow in a scalable fashion.