added git installation instructions

README.md

@@ -3,11 +3,16 @@
 This is a simple TicTacToe game written in Python. IT can be played by two players in a GUI. However, it only works on Windows.
 
 ## Installation
+
+- Install [Git](https://git-scm.com/book/en/v2/Getting-Started-Installing-Git)
+- Clone the repository: `git clone https://github.com/TINF21CS1/TicTacToeKojote.git`
+- Alternative to installing Git and cloning the repository: Press the green `Code`-Button on the GitHub Repository in the Browser and click `Download ZIP`. Afterwards, right click the ZIP-file and click unzip.
 - Install Python 3.11 or higher from [python.org](https://www.python.org/downloads/)
 - Install the required packages by running `pip install -r requirements.txt` from the root directory of the project
 - Run the game by executing `python main.py` from the root directory of the project
 
 ## Features
+
 - Play TicTacToe with a friend online
 - Play TicTacToe with a friend offline
 - Play TicTacToe against an AI (weak or strong)
@@ -16,11 +21,12 @@ This is a simple TicTacToe game written in Python. IT can be played by two playe
 - View your game statistics whenever you are connected to a server
 
 ## How to play
+
 - **Manage your player profiles:** View Use Case 1: Manage Player Profiles
 - **Play against AI:** View the corresponding [sequence diagram](docs/sequence_diagrams/play_vs_ai.png)
 - **Play against another player locally:** View the corresponding [sequence diagram](docs/sequence_diagrams/play_locally.png)
 - **Host an online game:** View Use Case 3.1: Host Game
 - **Join an online game:** View Use Case 3.2: Join Game
 - **Leave an online game:** View Use Case 3.3: Leave Game
 - **Send Chat messages:** View Use Case 4: Chat
-- **Display the statistics:** View Use Case 5: Display Statistics
+- **Display the statistics:** View Use Case 5: Display Statistics