Update documentation for dashboard command

Document previously undocumented options `--address` and `--socket`

guides/cli.rst

@@ -197,10 +197,19 @@ The ``esphome dashboard <CONFIG>`` command starts the ESPHome dashboard server f
 through a graphical user interface. This command accepts a configuration directory instead of a
 single configuration file.
 
+.. option:: --address ADDRESS
+
+    Manually set the address to bind to (defaults to 0.0.0.0)
+
 .. option:: --port PORT
 
     Manually set the HTTP port to open connections on (defaults to 6052)
 
+.. option:: --socket SOCKET
+
+    Manually set the unix socket to bind to. If specified along with ``--address`` or ``--port`` the values
+    for those parameters will be ignored. Cannot be used along with ``--systemd-socket``.
+
 .. option:: --username USERNAME
 
     The optional username to require for authentication.
@@ -211,7 +220,8 @@ single configuration file.
 
 .. option:: --open-ui
 
-    If set, opens the dashboard UI in a browser once the server is up and running.
+    If set, opens the dashboard UI in a browser once the server is up and running. Does not work when using
+    ``--socket``.
 
 ``logs`` Command
 ---------------------