Update installation instructions

Author: colinhacks

packages/docs/content/index.mdx

@@ -115,25 +115,12 @@ console.log(data.name);
 
 ## Installation
 
-{/* ### `npm` */}
 
 ```sh
-npm install zod       # npm
-deno add npm:zod      # deno
-yarn add zod          # yarn
-bun add zod           # bun
-pnpm add zod          # pnpm
+npm install zod
 ```
 
-Zod also publishes a canary version on every commit. To install the canary:
-
-```sh
-npm install zod@canary       # npm
-deno add npm:zod@canary      # deno
-yarn add zod@canary          # yarn
-bun add zod@canary           # bun
-pnpm add zod@canary          # pnpm
-```
+> Zod is also available as `@zod/zod` on [jsr.io](https://jsr.io/@zod/zod).
 
 Zod provides an MCP server that can be used by agents to search Zod's docs. To add to your editor, follow [these instructions](https://share.inkeep.com/zod/mcp). Zod also provides an [llms.txt](https://zod.dev/llms.txt) file.