Adding install redirect

Author: jayair

www/astro.config.mjs

@@ -88,6 +88,9 @@ export default defineConfig({
   server: {
     host: "0.0.0.0",
   },
+  redirects: {
+    "/install": "https://raw.githubusercontent.com/sst/ion/dev/install",
+  },
   integrations: [
     sitemap({
       filter: (page) => !page.includes("/dummy/"),

www/bun.lockb

@@ -11,7 +11,7 @@ Ion is a new engine for deploying [SST](https://sst.dev) apps. It uses [Pulumi](
 Ion is **currently in alpha**. We'll be sharing more details on how to migrate your existing SST apps soon.
 :::
 
-Once Ion is stable, it’ll be released as SST v3.
+Once Ion is stable, it’ll be released as SST v3. [Read the full announcement](https://sst.dev/blog/moving-away-from-cdk.html).
 
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