chore(examples): remove snowpack example (#229)

This removes the Snowpack example because it is [no longer maintained](https://github.com/FredKSchott/snowpack/blob/7f9b5455683a9d7632dbd7f4ed6db9ec2bb7c760/README.md) as of April 2022. Vite is the recommended alternative.

Author: metonym

README.md

@@ -246,7 +246,6 @@ TypeScript definitions are auto-generated by SvelteKit.
 
 - [examples/rollup](examples/rollup)
 - [examples/rollup-typescript](examples/rollup-typescript)
-- [examples/snowpack](examples/snowpack)
 - [examples/sveltekit](examples/sveltekit)
 - [examples/vite](examples/vite)
 - [examples/webpack](examples/webpack)

demo/routes/index.svelte

@@ -309,8 +309,8 @@
   <Column xlg={9} lg={12}>
     <h3 class="mb-7">Examples</h3>
     <p class="mb-5">
-      Example set-ups – including SvelteKit, Vite, Rollup, Webpack, and Snowpack
-      – are located in the
+      Example set-ups – including SvelteKit, Vite, Rollup, and Webpack – are
+      located in the
       <Link
         inline
         size="lg"