Add Contribution-Guide.md (#48)

content/Contribution Guide.md

@@ -0,0 +1,57 @@
+🎉 Thank you for being interested in contributing to the Cryptography SecondBrain! 🎉
+
+Feel free to dive in. Read the following sections to learn about our workflow and standards. Whether you're looking to write documentation, report errors, or just ask questions, we appreciate all forms of contribution.
+
+All members of our community are expected to follow our Code of Conduct. In all our interactions, let's make sure to create a welcoming and friendly space for everyone.
+
+We're really glad you're reading this! Volunteer developers can help us quickly reach our goals and make our projects come to fruition.
+
+## Issues
+
+The best way to contribute to our projects is by opening a new issue or tackling one of the existing issues.
+
+[Visit our GitHub Repository to open an issue or view existing ones.](https://github.com/decipherhub/Cryptography/issues)
+
+## Pull Request
+
+Pull request are great if you want to add a feature or document. Here's a quick guide:
+
+1. Fork the repo.
+2. Commit your changes.
+3. Push to your fork and submit a pull request on our `main` branch. Please provide us with some explanation of why you made the changes you made. If you want to add a new document, make sure to include references for the document.
+
+[Submit a pull request on our GitHub Repository.](https://github.com/decipherhub/Cryptography/pulls)
+
+## Working with Obsidian
+
+Here's how you can work on this project using Obsidian:
+
+1. Clone the repository:
+
+    ```bash
+    git clone https://github.com/decipherhub/Cryptography.git
+    ```
+
+    Make sure to note the location of the **Cryptography** folder.
+
+2. Open **Obsidian**.
+
+3. Click on File > Open Vault.
+
+4. Click the **Open folder as vault** button.
+
+5. Navigate to the Cryptography folder you cloned in step 1, select the content folder inside it, and click Open.
+
+6. Make your changes and additions within Obsidian.
+
+7. Once you're done, switch to your terminal, navigate to the Cryptography folder, and commit your changes:
+
+    ```bash
+    cd path/to/Cryptography
+    git add .
+    git commit -m "Your commit message"
+    git push origin your-branch-name
+
+    ```
+
+Feel free to open a pull request after you've pushed your changes.

content/index.md

@@ -3,7 +3,7 @@ title: Welcome to Cryptography SecondBrain
 ---
 Welcome to Cryptography SecondBrain. This is a comprehensive wiki covering a wide range of cryptographic topics from basic algebra to various Privacy Enhancing Technologies (PET). For newcomers, please refer to [[How to get started]] to learn how to use this wiki for your studies.
 
-Cryptography SecondBrain is an open-source project maintained by Decipher. If you have an interest in cryptography, we encourage you to contribute and share your knowledge. For more details on how to get involved, please refer to our [[Contribution guide]].
+Cryptography SecondBrain is an open-source project maintained by Decipher. If you have an interest in cryptography, we encourage you to contribute and share your knowledge. For more details on how to get involved, please refer to our [[Contribution Guide]].
 
 We have the following categories in this wiki: