changed contributing.md

Signed-off-by: Dariksha <[email protected]>

CONTRIBUTING.md

@@ -1,28 +1,54 @@
-# How to Contribute
+# Contributing to in-toto.io
 
-We'd love to accept your patches and contributions to this project. There are
-just a few small guidelines you need to follow.
+Thank you for considering contributing to in-toto.io! Here are the steps to set up the project on your local machine.
 
-## Contributor License Agreement
+## Review Contribution Guidelines
 
-Contributions to this project must be accompanied by a Contributor License
-Agreement. You (or your employer) retain the copyright to your contribution;
-this simply gives us permission to use and redistribute your contributions as
-part of the project. Head over to <https://cla.developers.google.com/> to see
-your current agreements on file or to sign a new one.
+Before contributing, please review our detailed [contribution guidelines](https://github.com/in-toto/community/blob/main/CONTRIBUTING.md) to ensure that your code follows our style guidelines and is properly tested.
 
-You generally only need to submit a CLA once, so if you've already submitted one
-(even if it was for a different project), you probably don't need to do it
-again.
+## Sign the Developer Certificate of Origin (DCO)
 
-## Code reviews
+All contributors must sign the Developer Certificate of Origin (DCO) by adding a "Signed-off-by" line to their commit messages. This indicates your acceptance of the DCO. You can do this by appending the following line to each commit message (see [git commit --signoff](https://git-scm.com/docs/git-commit#Documentation/git-commit.txt---signoff))
 
-All submissions, including submissions by project members, require review. We
-use GitHub pull requests for this purpose. Consult
-[GitHub Help](https://help.github.com/articles/about-pull-requests/) for more
-information on using pull requests.
+## Quick Start Guide
 
-## Community Guidelines
+To get started with contributing to in-toto.io, follow these steps:
 
-This project follows
-[Google's Open Source Community Guidelines](https://opensource.google.com/conduct/).
+### 1. Clone the Repository
+
+Clone the in-toto.io git repository to your local machine:
+
+```sh
+git clone https://github.com/in-toto/in-toto.io.git
+```
+
+### 2. Install Development Dependencies
+
+Navigate to the project root directory and install the necessary dependencies with Yarn. If you do not have Yarn installed, please install it by following the instructions on the [Yarn installation guide](https://classic.yarnpkg.com/en/docs/install):
+
+```sh
+cd in-toto.io
+npm install
+```
+
+### 3. Install Hugo
+
+We use Hugo to build the site. Follow the [Hugo installation guide](https://gohugo.io/installation/) to install Hugo on your system.
+
+### 4. Serve the website
+
+Once Hugo is installed, you can locally serve the website to see your changes in
+real-time:
+
+```sh
+npm run serve
+```
+
+This starts a local server. View the site at the URL displayed in your
+terminal, usually <http://localhost:1313>.
+
+## Need Help?
+
+If you encounter any issues or have any questions, feel free to open an issue on the repository or reach out to the maintainers.
+
+**Happy contributing!**