Fix VSCode link (#1264)

Previous link (https://docs.boundaryml.com/v3/home/installation) is a
404.
The new link
(https://docs.boundaryml.com/guide/installation-editors/vs-code-extension)
points to the current VSCode installation instructions.
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----

> [!IMPORTANT]
> Fix broken VSCode installation link in `ProjectView.tsx`.
> 
>   - **Link Update**:
> - In `ProjectView.tsx`, updated VSCode installation link from
`https://docs.boundaryml.com/v3/home/installation` to
`https://docs.boundaryml.com/guide/installation-editors/vs-code-extension`
to fix 404 error.
> 
> <sup>This description was created by </sup>[<img alt="Ellipsis"
src="https://img.shields.io/badge/Ellipsis-blue?color=175173">](https://www.ellipsis.dev?ref=BoundaryML%2Fbaml&utm_source=github&utm_medium=referral)<sup>
for 7a80dd9. It will automatically
update as commits are pushed.</sup>

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typescript/fiddle-frontend/app/[project_id]/_components/ProjectView.tsx

@@ -202,7 +202,7 @@ const ProjectViewImpl = ({ project }: { project: BAMLProject }) => {
                 </div>
                 <div className='flex h-full'>
                   <Link
-                    href='https://docs.boundaryml.com/v3/home/installation'
+                    href='https://docs.boundaryml.com/guide/installation-editors/vs-code-extension'
                     className='h-full pt-0 w-fit text-zinc-300 hover:text-zinc-50'
                   >
                     <div className='flex flex-row items-center text-xs 2xl:text-sm gap-x-4 grayscale hover:grayscale-0'>