Add screenshot, README and LICENSE

LICENSE

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+BSD 3-Clause License
+
+Copyright (c) 2025, bdnugget
+All rights reserved.
+
+Redistribution and use in source and binary forms, with or without
+modification, are permitted provided that the following conditions are met:
+
+1. Redistributions of source code must retain the above copyright notice, this
+   list of conditions and the following disclaimer.
+
+2. Redistributions in binary form must reproduce the above copyright notice,
+   this list of conditions and the following disclaimer in the documentation
+   and/or other materials provided with the distribution.
+
+3. Neither the name of the copyright holder nor the names of its
+   contributors may be used to endorse or promote products derived from
+   this software without specific prior written permission.
+
+THIS SOFTWARE IS PROVIDED BY THE COPYRIGHT HOLDERS AND CONTRIBUTORS "AS IS"
+AND ANY EXPRESS OR IMPLIED WARRANTIES, INCLUDING, BUT NOT LIMITED TO, THE
+IMPLIED WARRANTIES OF MERCHANTABILITY AND FITNESS FOR A PARTICULAR PURPOSE ARE
+DISCLAIMED. IN NO EVENT SHALL THE COPYRIGHT HOLDER OR CONTRIBUTORS BE LIABLE
+FOR ANY DIRECT, INDIRECT, INCIDENTAL, SPECIAL, EXEMPLARY, OR CONSEQUENTIAL
+DAMAGES (INCLUDING, BUT NOT LIMITED TO, PROCUREMENT OF SUBSTITUTE GOODS OR
+SERVICES; LOSS OF USE, DATA, OR PROFITS; OR BUSINESS INTERRUPTION) HOWEVER
+CAUSED AND ON ANY THEORY OF LIABILITY, WHETHER IN CONTRACT, STRICT LIABILITY,
+OR TORT (INCLUDING NEGLIGENCE OR OTHERWISE) ARISING IN ANY WAY OUT OF THE USE
+OF THIS SOFTWARE, EVEN IF ADVISED OF THE POSSIBILITY OF SUCH DAMAGE. 

README.md

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+# Terminal Minesweeper
+
+A Minesweeper game that runs in your terminal using the gocui library.
+
+![Minesweeper Screenshot](screenshot.png)
+## Features
+
+- Classic Minesweeper gameplay
+- Colorful terminal interface with emoji characters
+- Mouse support for opening cells and placing flags
+- First-click safety (you'll never hit a mine on your first click)
+
+## How to Install and Run
+
+### Prerequisites
+
+- Go 1.22 or later (for math/rand/v2)
+- Git
+
+### Installation
+
+1. Clone the repository:
+   ```
+   git clone https://gitea.boner.be/bdnugget/minesweeper
+   cd terminal-minesweeper
+   ```
+
+2. Install dependencies:
+   ```
+   go mod tidy
+   ```
+
+### Running the Game
+
+Simply run:
+```
+go run main.go
+```
+
+## How to Play
+
+- Left-click: Open a cell
+- Right-click: Place/remove a flag
+- 'R' key: Restart the game (broken for now lol)
+- Ctrl+C: Quit the game
+
+## License
+
+This project is licensed under the BSD 3-Clause License - see the [LICENSE](LICENSE) file for details.