PinLock: Password Manager

PinLock is your go-to app for securely managing passwords, PINs, and other sensitive information.
Designed with privacy in mind, PinLock stores your data locally on your device, encrypted with a user-defined password or PIN.
This ensures that only you have access to your personal data.

### Features
1. Secure data storage:
- Passwords, card PINs, notes, and Links.
- Stored in a locally encrypted file.
- Create new vaults with different PINs

2. Initial setup:
- Requires the user to create a master password or PIN to protect access to the app.

3. Data encryption:
- Uses secure encryption algorithms (e.g., AES-256) to protect the information.

4. Encrypted file import/export:
- Export allows for generating an encrypted file that can be transferred to another device.
- Import requires the user to enter the master password or PIN to decrypt and access the data.

5. Secure access:
- Prompt the user for the master password or PIN each time the application is opened.
- Prompt to enter the pin if the app was in the background.
- Button to prompt for the password.

6. Backup function:
- Option to create backups of the data in a secure location.

7. Cross-device compatibility:
- Import/export functionality allows data to be transferred between devices.