Add www-apps/yarnd

Signed-off-by: Shin'ya Minazuki <shinyoukai@laidback.moe>

www-apps/yarnd/files/yarnd.confd-r1

@@ -0,0 +1,18 @@
+# Arguments to pass to the Yarn.social server
+# Some common options are: 
+# -R to enable open registrations (this is required for admin account creation)
+# -d path to data directory
+# -O to enable open profiles
+
+# Environment variables
+# These will be exported by OpenRC for use with the daemon
+
+# ADMIN_USER=""
+# ADMIN_EMAIL=""
+
+# These values are required for a production instance
+# cat /dev/urandom | tr -dc 'a-zA-Z0-9' | fold -w 64 | head -n 1
+#
+# API_SIGNING_KEY=""
+# COOKIE_SECRET=""
+# MAGICLINK_SECRET=""

www-apps/yarnd/files/yarnd.initd-r1

@@ -0,0 +1,12 @@
+#!/sbin/openrc-run
+# Copyright 2026 Shin'ya Minazuki
+supervisor="supervise-daemon"
+
+command="/usr/sbin/${RC_SVCNAME}"
+command_args="${yarnd_args}"
+command_background="true"
+command_user="yarnd:yarnd"
+
+depend() {
+	need net
+}