[systemd] Add user services

- nirinit
- ssh-agent

dot_config/systemd/user/nirinit.service

@@ -0,0 +1,13 @@
+[Unit]
+Description=Nirinit (Niri Session Manager)
+PartOf=graphical-session.target
+After=graphical-session.target niri.service
+
+[Service]
+Type=simple
+ExecStart=/home/%u/.cargo/bin/nirinit --save-interval 300
+Restart=on-failure
+RestartSec=5
+
+[Install]
+WantedBy=graphical-session.target

dot_config/systemd/user/ssh-agent.service

@@ -0,0 +1,10 @@
+[Unit]
+Description=SSH key agent
+
+[Service]
+Type=simple
+Environment=SSH_AUTH_SOCK=%t/ssh-agent.socket
+ExecStart=/usr/bin/ssh-agent -D %t/ssh-agent.socket
+
+[Install]
+WantedBy=default.target