docs: integrations: yarn & pnpm (#4836)

Author: mrienstra

packages/integrations/cloudflare/README.md

@@ -6,8 +6,13 @@ An SSR adapter for use with Cloudflare Pages Functions targets. Write your code
 
 Add the Cloudflare adapter to enable SSR in your Astro project with the following `astro add` command. This will install the adapter and make the appropriate changes to your `astro.config.mjs` file in one step.
 
-```bash
+```sh
+# Using NPM
 npx astro add cloudflare
+# Using Yarn
+yarn astro add cloudflare
+# Using PNPM
+pnpm astro add cloudflare
 ```
 
 If you prefer to install the adapter manually instead, complete the following two steps:

packages/integrations/deno/README.md

@@ -25,8 +25,13 @@ If you wish to [use server-side rendering (SSR)](https://docs.astro.build/en/gui
 
 Add the Deno adapter to enable SSR in your Astro project with the following `astro add` command. This will install the adapter and make the appropriate changes to your `astro.config.mjs` file in one step.
 
-```bash
+```sh
+# Using NPM
 npx astro add deno
+# Using Yarn
+yarn astro add deno
+# Using PNPM
+pnpm astro add deno
 ```
 
 If you prefer to install the adapter manually instead, complete the following two steps:

packages/integrations/netlify/README.md

@@ -27,8 +27,13 @@ If you wish to [use server-side rendering (SSR)](https://docs.astro.build/en/gui
 
 Add the Netlify adapter to enable SSR in your Astro project with the following `astro add` command. This will install the adapter and make the appropriate changes to your `astro.config.mjs` file in one step.
 
-```bash
+```sh
+# Using NPM
 npx astro add netlify
+# Using Yarn
+yarn astro add netlify
+# Using PNPM
+pnpm astro add netlify
 ```
 
 If you prefer to install the adapter manually instead, complete the following two steps:

packages/integrations/node/README.md

@@ -23,8 +23,13 @@ If you wish to [use server-side rendering (SSR)](https://docs.astro.build/en/gui
 
 Add the Node adapter to enable SSR in your Astro project with the following `astro add` command. This will install the adapter and make the appropriate changes to your `astro.config.mjs` file in one step.
 
-```bash
+```sh
+# Using NPM
 npx astro add node
+# Using Yarn
+yarn astro add node
+# Using PNPM
+pnpm astro add node
 ```
 
 If you prefer to install the adapter manually instead, complete the following two steps:

packages/integrations/vercel/README.md

@@ -24,8 +24,13 @@ If you wish to [use server-side rendering (SSR)](https://docs.astro.build/en/gui
 
 Add the Vercel adapter to enable SSR in your Astro project with the following `astro add` command. This will install the adapter and make the appropriate changes to your `astro.config.mjs` file in one step.
 
-```bash
+```sh
+# Using NPM
 npx astro add vercel
+# Using Yarn
+yarn astro add vercel
+# Using PNPM
+pnpm astro add vercel
 ```
 
 If you prefer to install the adapter manually instead, complete the following two steps: