Add License and readme

Signed-off-by: Syed Daanish <syed@sixzix.com>

README.md

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+# Minesweeper (Terminal Edition)
+
+A terminal-based Minesweeper game written in Go, using the `tcell` library for handling terminal UI and events.
+
+## Features
+- Classic Minesweeper gameplay
+- Intuitive keyboard controls
+- Terminal-based UI
+- Real-time updates with `tcell`
+
+## Installation
+### Prerequisites
+- Go 1.18+ installed
+
+### Steps
+1. Clone this repository:
+   ```sh
+   git clone https://github.com/Toprun123/go-mines.git
+   cd minesweeper-terminal
+   ```
+2. Install dependencies:
+   ```sh
+   go get ./...
+   ```
+3. Build the project:
+   ```sh
+   go build -o minesweeper
+   ```
+4. Run the game:
+   ```sh
+   ./minesweeper
+   ```
+
+## Controls
+- `Arrow Keys` - Move cursor
+- `Enter` - Reveal cell
+- `F` - Flag/Unflag cell
+- `Q` - Quit game
+
+Or Mouse Clicks (Left Click to Reveal, Right Click to Flag/Unflag)
+
+## Contributing
+Feel free to open issues or submit pull requests!
+
+## Author
+Syed - https://github.com/Toprun123