Fix for incorrect remix package name in docs

Author: matt-aitken

docs/_snippets/manual-setup-remix.mdx

@@ -5,15 +5,15 @@ To begin, install the necessary packages in your Remix project directory. You ca
 <CodeGroup>
 
 ```bash npm
-npm i @trigger.dev/sdk @trigger-dev/remix
+npm i @trigger.dev/sdk @trigger.dev/remix
 ```
 
 ```bash pnpm
-pnpm install @trigger.dev/sdk @trigger-dev/remix
+pnpm install @trigger.dev/sdk @trigger.dev/remix
 ```
 
 ```bash yarn
-yarn add @trigger.dev/sdk @trigger-dev/remix
+yarn add @trigger.dev/sdk @trigger.dev/remix
 ```
 
 </CodeGroup>