Added an idea of a password checker

Projects/1-Beginner/Password-Strength-Checker.md

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+# Password Strength Checker
+
+**Tier:** 1-Beginner
+
+A web application that helps users create strong passwords by providing real-time feedback on password strength.
+
+## User Stories
+
+-   [ ] User can enter a password into an input field
+-   [ ] User can see strength indicators as they type:
+    - Password length (minimum 8 characters)
+    - Contains uppercase letters
+    - Contains lowercase letters
+    - Contains numbers
+    - Contains special characters
+-   [ ] User can see the overall password strength rating (Weak, Medium, Strong)
+-   [ ] User receives real-time feedback as they type
+-   [ ] User can see suggestions for improving their password
+
+## Bonus features
+
+-   [ ] User can generate a random strong password
+-   [ ] User can copy the password to clipboard with a button click
+-   [ ] User can see a password strength meter/bar that updates in real-time
+-   [ ] User can toggle password visibility (show/hide)
+-   [ ] User can see how long it would take to crack the password
+
+## Useful links and resources
+
+-   [zxcvbn - Password Strength Estimation Library](https://github.com/dropbox/zxcvbn)
+-   [MDN Web Docs - Regular Expressions](https://developer.mozilla.org/en-US/docs/Web/JavaScript/Guide/Regular_Expressions)
+-   [How to Create a Strong Password (Article)](https://www.security.org/how-secure-is-my-password/)
+-   [HTML DOM Input Password](https://developer.mozilla.org/en-US/docs/Web/HTML/Element/input/password)
+
+## Example projects
+
+-   [Password Strength Checker with zxcvbn](https://codepen.io/preserveddarnell/pen/oNNQxQm)
+-   [Password Strength Meter](https://github.com/pascalbell/password-strength-meter)
+-   [React Password Strength Checker](https://github.com/mloureiro/react-password-strength)