rmpc: add page (#23466)

o-authored-by: Ivan Baluta <ivanbaluta.dev@gmail.com>
Co-authored-by: Wiktor Perskawiec <wiktor@perskawiec.cc>

pages/linux/rmpc.md

@@ -0,0 +1,33 @@
+# rmpc
+
+> A terminal music player client for the Music Player Daemon, with album art support.
+> See also: `mpd`, `mpc`, `ncmpcpp`.
+> More information: <https://rmpc.mierak.dev/reference/cli-command-mode/>.
+
+- Start the TUI client:
+
+`rmpc`
+
+- Connect to a specific MPD instance:
+
+`rmpc {{[-a|--address]}} {{host:port}}`
+
+- Print the default configuration to use as a starting point:
+
+`rmpc config`
+
+- Scan the music directory for changes:
+
+`rmpc update`
+
+- Save the currently playing song's album art to a file:
+
+`rmpc albumart {{[-o|--output]}} {{path/to/cover.jpg}}`
+
+- Toggle playback control functions (consume plays the song and deletes it from the queue afterwards):
+
+`rmpc {{next|prev|stop|consume|togglerepeat|pause|unpause}}`
+
+- View the currently playing song:
+
+`rmpc song`