Create SecurityManagement.md

Added the security management tab

docs/docs/help/Settings/SecurityManagement.md

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+---
+sidebar_position: 
+title: Security Management
+---
+
+## 🔒 Security
+
+### ✅ Two-Factor Authentication (2FA)
+
+Adds a second verification step when logging in.
+
+#### Benefits:
+
+- Enhances account protection  
+- Requires a time-based code from an app like Google Authenticator
+  
+#### How to Enable:
+
+1. Go to **Preferences > Security > Setup 2FA**  
+2. Scan the QR Code with an authenticator app  
+3. Save recovery codes for backup  
+4. Enter the verification code to complete setup
+
+> If 2FA is enabled, you’ll be prompted for a verification code after entering your password.
+
+[![how to setup 2fa](https://img.youtube.com/vi/cgVBBetnbO8/0.jpg)](https://www.youtube.com/watch?v=cgVBBetnbO8)
+
+---
+
+### 🛡️ Passkey Authentication
+
+Passkeys offer **passwordless** and **phishing-resistant** sign-in.
+
+#### 🔐 Key Features:
+
+- Use fingerprint, Face ID, or device PIN  
+- Passwordless and secure  
+- Reduces credential theft risks
+
+#### 🛠 How to Register a Passkey:
+
+1. Go to **Preferences > Security**
+2. Click **Register passkey**  
+3. Your device prompts biometric or PIN-based authentication  
+4. On success, the passkey is saved and listed under **Your Passkeys**
+ 
+[![how to setup passkey]()](https://www.youtube.com/embed/lLfcu9oSbew?si=yODZcEveYZSbQQXw)
+
+#### 🧾 Managing Your Passkeys
+
+##### ✏️ Rename:
+
+Click the **pencil icon** to rename a passkey.
+
+##### 🗑 Delete:
+
+Click the **trash icon** to remove a passkey.  
+⚠️ This revokes access via that method.
+
+---
+
+For more assistance with OpenSign™ features or APIs, contact our support team at **[support@opensignlabs.com](mailto:support@opensignlabs.com)**.