feat: add liquidsoap script with minecraft mp3 stream

config/liquidsoap.env.example

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+# must match SOURCE_PW in icecast.env
+SOURCE_PW=replace-me-source
+TZ=UTC

config/liquidsoap.liq

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+# denpa-radio liquidsoap script
+# adding a station: copy a station block, rename, restart liquidsoap.
+
+settings.log.stdout.set(true)
+settings.log.level.set(3)
+
+source_pw = environment.get(default="", "SOURCE_PW")
+
+# === station: minecraft ===
+minecraft = playlist(
+  reload_mode="watch",
+  mode="randomize",
+  "/library/minecraft/tracks"
+)
+minecraft = crossfade(minecraft)
+minecraft = mksafe(minecraft)
+
+output.icecast(
+  %mp3(bitrate=192, stereo=true),
+  host="icecast", port=8000, password=source_pw,
+  mount="/minecraft.mp3",
+  name="Denpa — Minecraft",
+  description="Minecraft soundtracks",
+  genre="game-ost",
+  url="https://denpa.femboy.page",
+  minecraft
+)