docs: Add LICENSE and README files

This commit adds the LICENSE and README files to the repository. The LICENSE file contains the MIT License text, granting permissions for using and distributing the software. The README file provides an introduction to the repository, including its purpose, structure, installation instructions, and usage guidelines.

Author: pragusga25

LICENSE

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+MIT License
+
+Copyright (c) 2024 Taufik Pragusga
+
+Permission is hereby granted, free of charge, to any person obtaining a copy
+of this software and associated documentation files (the "Software"), to deal
+in the Software without restriction, including without limitation the rights
+to use, copy, modify, merge, publish, distribute, sublicense, and/or sell
+copies of the Software, and to permit persons to whom the Software is
+furnished to do so, subject to the following conditions:
+
+The above copyright notice and this permission notice shall be included in all
+copies or substantial portions of the Software.
+
+THE SOFTWARE IS PROVIDED "AS IS", WITHOUT WARRANTY OF ANY KIND, EXPRESS OR
+IMPLIED, INCLUDING BUT NOT LIMITED TO THE WARRANTIES OF MERCHANTABILITY,
+FITNESS FOR A PARTICULAR PURPOSE AND NONINFRINGEMENT. IN NO EVENT SHALL THE
+AUTHORS OR COPYRIGHT HOLDERS BE LIABLE FOR ANY CLAIM, DAMAGES OR OTHER
+LIABILITY, WHETHER IN AN ACTION OF CONTRACT, TORT OR OTHERWISE, ARISING FROM,
+OUT OF OR IN CONNECTION WITH THE SOFTWARE OR THE USE OR OTHER DEALINGS IN THE
+SOFTWARE.

README.md

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+# LeetCode Solutions in TypeScript
+
+Welcome to my collection of LeetCode solutions written in TypeScript. This repository contains my implementations of various LeetCode problems, organized by difficulty.
+
+## Table of Contents
+
+- [LeetCode Solutions in TypeScript](#leetcode-solutions-in-typescript)
+  - [Table of Contents](#table-of-contents)
+  - [Introduction](#introduction)
+  - [Structure](#structure)
+  - [Installation](#installation)
+  - [Usage](#usage)
+  - [Contributing](#contributing)
+  - [License](#license)
+
+## Introduction
+
+This repository is a personal project where I solve LeetCode problems using TypeScript. It serves as a way to practice and improve my problem-solving skills, as well as to provide a reference for others who are interested in TypeScript solutions for LeetCode challenges.
+
+## Structure
+
+The repository is organized as follows:
+
+```
+leetcode-ts/
+│
+├── easy/
+│   └── *.test.ts  # Tests for easy-level problems
+├── medium/
+│   └── *.test.ts  # Tests for medium-level problems
+├── hard/
+│   └── *.test.ts  # Tests for hard-level problems
+├── bun.lockb
+├── package.json
+└── README.md
+```
+
+## Installation
+
+To set up the project locally, follow these steps:
+
+1. Clone the repository:
+
+```bash
+git clone https://github.com/pragusga25/leetcode-ts.git
+```
+
+2. Navigate to the project directory:
+
+```bash
+cd leetcode-ts
+```
+
+3. Install the dependencies using Bun. If you don't have Bun installed, you can install it [here](https://bun.sh/docs/installation):
+
+```bash
+bun install
+```
+
+## Usage
+
+You can run the TypeScript tests using the following command:
+
+```bash
+bun test
+```
+
+## Contributing
+
+Contributions are welcome! If you have a new solution, improvement, or bug fix, please open a pull request. Ensure your code follows the existing structure and includes relevant tests.
+
+## License
+
+This project is licensed under the MIT License. See the [LICENSE](LICENSE) file for more details.