Autostart the Altair services

The following details how to run the Altair emulator and web terminal as a services on Linux. This will ensure the Altair emulator and web terminal are started when the computer is booted.

From the command line, navigate to Services folder of the Altair emulator project you cloned from GitHub.
```
cd Services
```

Update the .service files with the correct paths.

sed -i "s|/path/to/directory|$(dirname $(pwd))|g" *.service 

Copy the .service files to the systemd folder.
```
 sudo cp *.service  /etc/systemd/system/
```
Reload the systemd daemon.
```
 sudo systemctl daemon-reload
```

Enable the services.

sudo systemctl enable altair_emulator.service &&
sudo systemctl enable altair_terminal.service

Start the services.

sudo systemctl start altair_emulator.service &&
sudo systemctl start altair_terminal.service

Check the status of the services.

sudo systemctl status altair_emulator.service &&
sudo systemctl status altair_terminal.service

If the service is running, you should see something like this:

● altair_emulator.service - Altair 8800 Emulator
        Loaded: loaded (/etc/systemd/system/altair_emulator.service; enabled; vendor preset: enabled)
        Active: active (running) since Tue 2024-01-02 08:37:28 AEDT; 10min ago
    Main PID: 992844 (Altair_emulator)
        Tasks: 5 (limit: 191)
            CPU: 10min 51.649s
        CGroup: /system.slice/altair_emulator.service
                └─992844 /home/pi/github/AltairEverywhere/AltairHL_emulator/build/Altair_emulator

● altair_terminal.service  - HTTP Server
        Loaded: loaded (/etc/systemd/system/altair_terminal.service ; enabled; preset: enabled)
        Active: active (running) since Tue 2024-01-02 07:06:49 AEDT; 30min ago
    Main PID: 11489 (python3)
        Tasks: 1 (limit: 9262)
            CPU: 114ms
        CGroup: /system.slice/altair_terminal.service 
                └─11489 /usr/bin/python3 -m http.server 80