Update references from yarn to npm

.gitpod.yml

@@ -1,8 +1,8 @@
 # List the start up tasks. Learn more https://www.gitpod.io/docs/config-start-tasks/
 tasks:
-  - name: yarn
-    init: yarn install
-    command: yarn dev
+  - name: npm
+    init: npm install
+    command: npm run dev
 # List the ports to expose. Learn more https://www.gitpod.io/docs/config-ports/
 ports:
   - port: 3000

CONTRIBUTING.md

@@ -6,8 +6,7 @@ This project is built with Next.JS, Typescript and CSS modules.
 
 ## Pre-requisites (these need to be installed on your machine)
 
-[Node.js](https://nodejs.org/en/)  
-[Yarn Package Manager](https://yarnpkg.com/)  
+[Node.js](https://nodejs.org/en/)
 
 ## Available packages
 
@@ -17,49 +16,66 @@ Translations - [next-i18next Documentation](https://next.i18next.com/)
 
 ## How to contribute
 
-1.  Look through [Pre-existing issues](https://github.com/AccessibleForAll/AccessibleWebDev/issues) or [Raise a new issue](https://github.com/AccessibleForAll/AccessibleWebDev/issues/new/choose) and ask to be assigned. Pull requests made without a corresponding issue will likely be closed.
+1. Look through [Pre-existing issues](https://github.com/AccessibleForAll/AccessibleWebDev/issues) or [Raise a new issue](https://github.com/AccessibleForAll/AccessibleWebDev/issues/new/choose) and ask to be assigned. Pull requests made without a corresponding issue will likely be closed.
 2. Please check the [coding standards](https://github.com/AccessibleForAll/AccessibleWebDev/blob/main/CODING_STANDARDS.md) page before start contributing.
-3.  [Fork](https://github.com/AccessibleForAll/AccessibleWebDev/fork) the project
-4.  Clone the project:
+3. [Fork](https://github.com/AccessibleForAll/AccessibleWebDev/fork) the project
+4. Clone the project:
+
     ```bash
     git clone https://github.com/<your-github-username>/AccessibleWebDev
     ```
-5.  Navigate to the project directory:
+
+5. Navigate to the project directory:
+
     ```bash
     cd AccessibleWebDev
     ```
-6.  Set the upstream repository:
+
+6. Set the upstream repository:
+
     ```bash
     git remote add upstream https://github.com/AccessibleForAll/AccessibleWebDev.git
     ```
-7.  Install dependencies:
+
+7. Install dependencies:
+
     ```bash
-    yarn install
+    npm install
     ```
-8.  Create a new branch:
+
+8. Create a new branch:
+
     ```bash
     git checkout -b <YourBranchName>
     ```
-9.  To run the whole project locally:
+
+9. To run the whole project locally:
+
     ```bash
-    yarn dev
+    npm run dev
     ```
 
-10.  Make your changes
+10. Make your changes
 11. Stage your changes:
+
     ```bash
     git add <NameOfFileChanged>
     ```
+
 12. Commit your changes and provide a meaningful commit message:
-    
+
     Unsure how to write a meaningful commit message? Check out this article about [How to Write a Good Git Commit Message](https://blog.ossph.org/how-to-write-a-good-git-commit-message/#:~:text=To%20set%20up%20a%20Git,t%20meet%20the%20specified%20format.)
+
     ```bash
     git commit -m "<Your commit message here>"
     ```
+
 13. Push your commits to your local repository
+
     ```bash
     git push origin <YourBranchName>
     ```
+
 14. Create a [pull request](https://docs.github.com/en/pull-requests/collaborating-with-pull-requests/proposing-changes-to-your-work-with-pull-requests/creating-a-pull-request)
 15. Wait for maintainers to review your pull request and suggest any changes