chore: add enqs-headroom user service, set nvim as text/plain handler

Co-Authored-By: Claude Opus 5 <noreply@anthropic.com>

mimeapps.list

@@ -40,3 +40,4 @@ application/xhtml+xml=zen.desktop;
 application/x-extension-xhtml=zen.desktop;
 application/x-extension-xht=zen.desktop;
 audio/flac=mpv.desktop;
+text/plain=org.neovim.nvim.desktop;

systemd/user/default.target.wants/enqs-headroom.service

@@ -0,0 +1 @@
+/home/narl/.config/systemd/user/enqs-headroom.service

systemd/user/enqs-headroom.service

@@ -0,0 +1,14 @@
+# Written by `enqs-headroom service install`.
+[Unit]
+Description=Router for <name>.headroom.localhost
+Documentation=https://gitlab.enqs.de/npu/claude-code-enqs/-/wikis/Headroom
+After=network-online.target
+
+[Service]
+Environment=ENQS_HEADROOM_ROUTER_PORT=80
+ExecStart=/home/narl/.local/bin/enqs-headroom serve --port 80
+Restart=always
+RestartSec=5
+
+[Install]
+WantedBy=default.target