feat: add headscale standalone compose stack

headscale/headplane-config.yaml.example

@@ -0,0 +1,33 @@
+# Headplane configuration for standalone Headscale UI.
+# Do not put raw secrets in this file. Runtime secrets are read from /run/secrets/headplane/*.
+
+server:
+  host: "0.0.0.0"
+  port: 3000
+  base_url: "@HEADPLANE_BASE_URL@"
+  cookie_secret_path: "/run/secrets/headplane/cookie_secret"
+  cookie_secure: false
+  cookie_max_age: 86400
+  data_path: "/var/lib/headplane"
+
+headscale:
+  url: "http://headscale:8080"
+  public_url: "@HEADSCALE_SERVER_URL@"
+  config_path: "/etc/headscale/config.yaml"
+  api_key_path: "/run/secrets/headplane/headscale_api_key"
+  config_strict: false
+  dns_records_path: "/etc/headscale/dns_records.json"
+
+integration:
+  agent:
+    enabled: false
+    pre_authkey: ""
+  docker:
+    enabled: true
+    container_label: "me.tale.headplane.target=headscale"
+    socket: "unix:///var/run/docker.sock"
+  kubernetes:
+    enabled: false
+    pod_name: "headscale"
+  proc:
+    enabled: false