add level 3

[liuhuijuan12]

Pull Request

Description

I added level 3 after level 2 in this project, which is basically a search screen with fake login information to alert people to phishing

Related Issue

48 I create a user-friendly search interface. And combined with the educational knowledge related to network security to realize the game logic and interaction.

Checklist

• [x] I have tested the changes locally and they work as expected
• [x] I have added necessary documentation or updated existing documentation
• [x] I have followed the project's coding style and guidelines
• [x] I have added appropriate test cases for the changes

Screenshots (if applicable)

[fuhadkalathingal]

It's great work @liuhuijuan12 👍🏻, after this we want to first complete the first level, there we want a mini game, After completing the first level we we can move to level 2 and three. More contributions from your side are expected✨️✨️

From Fuhad Kalathingal