Update contributing-to-documentation documentation to include pnpm guide (#10523)

docs/my-website/.gitignore

@@ -19,3 +19,4 @@ npm-debug.log*
 yarn-debug.log*
 yarn-error.log*
 yarn.lock
+pnpm-lock.yaml

docs/my-website/docs/extras/contributing.md

@@ -1,3 +1,6 @@
+import Tabs from '@theme/Tabs';
+import TabItem from '@theme/TabItem';
+
 # Contributing to Documentation
 
 This website is built using [Docusaurus 2](https://docusaurus.io/), a modern static website generator.
@@ -9,31 +12,51 @@ git clone https://github.com/BerriAI/litellm.git
 
 ### Local setup for locally running docs
 
-#### Installation
-```
-npm install --global yarn
-```
-
-
-### Local Development
-
 ```
 cd docs/my-website
 ```
 
-Let's Install requirement
 
+<Tabs>
+
+<TabItem value="yarn" label="Yarn">
+
+Installation
+```
+npm install --global yarn
+```
+Install requirement
 ```
 yarn
 ```
 Run website
-
 ```
 yarn start
 ```
-Open docs here: [http://localhost:3000/](http://localhost:3000/)
 
+</TabItem>
+
+<TabItem value="pnpm" label="pnpm">
+
+Installation
 ```
+npm install --global pnpm
+```
+Install requirement
+```
+pnpm install
+```
+Run website
+```
+pnpm start
+```
+
+</TabItem>
+
+</Tabs>
+
+
+Open docs here: [http://localhost:3000/](http://localhost:3000/)
 
 This command builds your Markdown files into HTML and starts a development server to browse your documentation. Open up [http://127.0.0.1:8000/](http://127.0.0.1:8000/) in your web browser to see your documentation. You can make changes to your Markdown files and your docs will automatically rebuild.
 
@@ -42,8 +65,4 @@ This command builds your Markdown files into HTML and starts a development serve
 ### Making changes to Docs
 - All the docs are placed under the `docs` directory
 - If you are adding a new `.md` file or editing the hierarchy edit `mkdocs.yml` in the root of the project
-- After testing your changes, make a change to the `main` branch of [github.com/BerriAI/litellm](https://github.com/BerriAI/litellm)
-
-
-
-
+- After testing your changes, make a change/pull request to the `main` branch of [github.com/BerriAI/litellm](https://github.com/BerriAI/litellm)