add .service and .timer for profile stats script

profile/profile-stats.service

@@ -0,0 +1,19 @@
+# lives at ~/.config/systemd/user/profile-stats.service
+
+# User-level systemd service to run update_profile.py
+# Configuration is via ~/.config/profile-stats.env, no in-file path edits needed.
+# Create that file with one line:
+#   REPO_PATH=/absolute/path/to/this/repo
+# Then run:
+#   systemctl --user daemon-reload
+[Unit]
+Description=Run update_profile.py (profile stats updater)
+
+[Service]
+Type=oneshot
+EnvironmentFile=%h/.config/profile-stats.env
+ExecStartPre=/usr/bin/nm-online -q
+ExecStart=/bin/bash -lc 'python3 ${REPO_PATH}/update_profile.py'
+
+[Install]
+WantedBy=default.target