docs: add warning for install pnpm (#193)

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## What type of PR is this? (check all applicable)

- [ ] 🍕 Feature
- [ ] 🐛 Bug Fix
- [x] 📝 Documentation Update
- [ ] 🎨 Style
- [ ] 🧑‍💻 Code Refactor
- [ ] 🔥 Performance Improvements
- [ ] ✅ Test
- [ ] 🤖 Build
- [ ] 🔁 CI
- [ ] 📦 Chore (Release)
- [ ] ⏩ Revert

## Description

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Please do not leave this blank 
This PR [adds/removes/fixes/replaces] the [feature/bug/etc]. 
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This PR add warning for install pnpm

## Related Tickets & Documents
<!-- 
Please use this format link issue numbers: Fixes #123

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Resolves gs-gs/fa-ag-trace#493
## Mobile & Desktop Screenshots/Recordings

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## Added tests?

- [ ] 👍 yes
- [ ] 🙅 no, because they aren't needed
- [ ] 🙋 no, because I need help

## Added to documentation?

- [ ] 📜 README.md
- [ ] 📓 [vc-kit doc site](https://uncefact.github.io/vckit/)
- [ ] 📕 storybook
- [ ] 🙅 no documentation needed

## [optional] Are there any post-deployment tasks we need to perform?


<!-- note: PRs with deleted sections will be marked invalid -->

Signed-off-by: Nam Hoang <hoangxuannam160493@gmail.com>

documentation/docs/get-started/api-server-get-started/installation.md

@@ -11,6 +11,10 @@ sidebar_position: 1
 - [pnpm](https://pnpm.io/) version 8.14.1
 - [yarn](https://yarnpkg.com/) version 1.22.22
 
+:::warning
+**Notice**: You should install the pnpm package manager globally on your machine by using the npm package manager. You can install pnpm by running the following command: `npm install -g pnpm@8.14.1`. Using [Corepack](https://nodejs.org/api/corepack.html) to install pnpm that will have some conflicts with the project dependencies that are using yarn package manager to install and build.
+:::
+
 This project has been tested and optimized for Node.js version v20.12.2 and pnpm version 8.14.1. Please note that using a Node.js version later than v20.12.2 may result incorrect functionality and potential bugs. It is strongly recommended to use these specific versions for running and testing the project. Deviating from these versions may result in unforeseen compatibility issues or unexpected behavior.
 
 ## Clone vckit from github

documentation/docs/get-started/cli-get-started/installation.md

@@ -11,6 +11,10 @@ sidebar_position: 1
 - [pnpm](https://pnpm.io/) version 8.14.1
 - [yarn](https://yarnpkg.com/) version 1.22.22
 
+:::warning
+**Notice**: You should install the pnpm package manager globally on your machine by using the npm package manager. You can install pnpm by running the following command: `npm install -g pnpm@8.14.1`. Using [Corepack](https://nodejs.org/api/corepack.html) to install pnpm that will have some conflicts with the project dependencies that are using yarn package manager to install and build.
+:::
+
 This project has been tested and optimized for Node.js version v20.12.2 and pnpm version 8.14.1. Please note that using a Node.js version later than v20.12.2 may result incorrect functionality and potential bugs. It is strongly recommended to use these specific versions for running and testing the project. Deviating from these versions may result in unforeseen compatibility issues or unexpected behavior.
 
 ## Instal VCKit CLI

documentation/docs/get-started/demo-explorer-get-started/installation.md

@@ -13,6 +13,10 @@ sidebar_position: 1
 - [yarn](https://yarnpkg.com/) version 1.22.22
 - Make sure you have the API server started on local. See how to do it [here](/docs/get-started/api-server-get-started/installation).
 
+:::warning
+**Notice**: You should install the pnpm package manager globally on your machine by using the npm package manager. You can install pnpm by running the following command: `npm install -g pnpm@8.14.1`. Using [Corepack](https://nodejs.org/api/corepack.html) to install pnpm that will have some conflicts with the project dependencies that are using yarn package manager to install and build.
+:::
+
 This project has been tested and optimized for Node.js version v20.12.2 and pnpm version 8.14.1. Please note that using a Node.js version later than v20.12.2 may result incorrect functionality and potential bugs. It is strongly recommended to use these specific versions for running and testing the project. Deviating from these versions may result in unforeseen compatibility issues or unexpected behavior.
 
 ## Install dependencies

documentation/docs/get-started/library-get-started/installation.md

@@ -17,6 +17,10 @@ You can find the complete source code of this tutorial [here](#)
 - [pnpm](https://pnpm.io/) version 8.14.1
 - [yarn](https://yarnpkg.com/) version 1.22.22
 
+:::warning
+**Notice**: You should install the pnpm package manager globally on your machine by using the npm package manager. You can install pnpm by running the following command: `npm install -g pnpm@8.14.1`. Using [Corepack](https://nodejs.org/api/corepack.html) to install pnpm that will have some conflicts with the project dependencies that are using yarn package manager to install and build.
+:::
+
 This project has been tested and optimized for Node.js version v20.12.2 and pnpm version 8.14.1. Please note that using a Node.js version later than v20.12.2 may result incorrect functionality and potential bugs. It is strongly recommended to use these specific versions for running and testing the project. Deviating from these versions may result in unforeseen compatibility issues or unexpected behavior.
 
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