Remove deprecated backend files and documentation, including Docker configurations, environment variables, and various scripts, to streamline the project structure and eliminate unused components.

backend/install/myp.service

@@ -0,0 +1,14 @@
+[Unit]
+Description=MYP Flask Backend
+After=network-online.target
+Wants=network-online.target
+
+[Service]
+User=pi
+WorkingDirectory=/opt/myp
+ExecStart=/opt/myp/.venv/bin/python /opt/myp/app.py
+Restart=always
+Environment=PYTHONUNBUFFERED=1
+
+[Install]
+WantedBy=multi-user.target