Added a new project idea for stack visualizer

Projects/1-Beginner/StackVisualizer.md

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+### **Application Name**  
+**Stack Visualizer**
+
+### **Tier**  
+**Tier: 1-Beginner**
+
+---
+
+### **Application Description**
+
+**Purpose of this Application:**  
+The **Stack Visualizer** is an educational web application designed to help users learn and understand the **Stack data structure** and its operations. The purpose of this application is to provide an interactive and visual representation of the stack's behavior, allowing users to experiment with stack operations like **push**, **pop**, and **peek** in real-time. This hands-on approach will help beginners and students better understand the **LIFO (Last In First Out)** concept of stacks and its applications in programming.
+
+The visualizer is aimed at improving the learning experience by turning abstract theoretical concepts into a visual, interactive form. This tool can be a valuable resource for students learning data structures or developers revisiting core programming concepts.
+
+**Are there any resources needed in order to complete the project?**  
+Yes, the following resources will be needed to complete the project:
+
+- **Frontend technologies**: HTML, CSS, JavaScript (for UI design and interactivity).
+- **JavaScript frameworks**: Optionally, a frontend library like **React** to build the interactive interface.
+- **Graphics/Animation Libraries**: Libraries such as **D3.js** or CSS animations for smooth visualization of stack operations.
+- **Code editor**: For implementing the logic and interface (e.g., VSCode or any preferred editor).
+- **Basic understanding of Data Structures**: Resources like tutorials or articles on stack operations to assist with defining how the stack operates.
+
+---
+
+### **User Stories**
+
+- **User can** visualize the stack structure on the screen, where elements are stacked from bottom to top.
+- **User can** perform the **push** operation, which will visually add an element to the top of the stack.
+- **User can** perform the **pop** operation, which will remove the top element from the stack, with animations showing the element being removed.
+- **User can** view the **peek** operation, where the top element is highlighted without being removed, giving users a clear understanding of this operation.
+- **User can** view stack overflow or underflow errors when trying to push elements into a full stack or pop from an empty stack, with appropriate messages displayed.
+- **User can** clear the stack and reset all elements back to an initial state to start fresh.
+
+---
+
+### **Bonus Features**
+
+- **User can** view the corresponding code (e.g., JavaScript/Python snippets) for each operation (push, pop, peek) performed in the stack visualizer.
+- **User can** customize the input values to push into the stack and modify stack size dynamically.
+- **User can** explore explanations and tooltips on hover for different stack operations, giving real-time feedback on what each operation does.
+- **User can** switch between different data structures (e.g., Queue, Linked List) within the same application to understand and compare other data structures.
+
+---
+
+### **Useful Links and Resources**
+
+Here are some useful resources that will help in building the **Stack Visualizer**:
+
+- **Understanding Stacks:**
+  - [GeeksforGeeks - Stack Data Structure](https://www.geeksforgeeks.org/stack-data-structure/)
+  - [Programiz - Stack Data Structure](https://www.programiz.com/dsa/stack)
+
+- **Frontend Development:**
+  - [React Documentation](https://reactjs.org/docs/getting-started.html)
+  - [D3.js Documentation for Data Visualization](https://d3js.org/)
+
+- **JavaScript Animations:**
+  - [CSS Tricks - Animating with JavaScript](https://css-tricks.com/controlling-css-animations-transitions-javascript/)
+  - [GreenSock (GSAP) Animation Library](https://greensock.com/)
+
+---
+
+### **Example Projects**
+
+Here are a few example projects that have similar functionality to your **Stack Visualizer** and can act as inspiration:
+
+- **[Data Structure Visualizer](https://www.cs.usfca.edu/~galles/visualization/Algorithms.html)**  
+  This project provides visualizations for various data structures including stacks, queues, linked lists, and trees. It serves as a good reference for how to present operations visually.
+
+- **[Algorithm Visualizer](https://algorithm-visualizer.org/)**  
+  A platform that visualizes algorithms and data structures, including stacks. It’s a well-designed tool that showcases the use of stack operations in solving different algorithms.
+
+- **[Stack Data Structure Visualizer](https://rishav123raj.github.io/StackVisualizer/)**  
+  A simple visualizer for stack operations using JavaScript and basic HTML/CSS. This is a basic implementation, and you can expand it further with more interactive features.