www-misc/slowcgi[live]: introduce OpenRC supervision scripts, update dependency list

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

www-misc/slowcgi/files/slowcgi.initd-r1

@@ -0,0 +1,18 @@
+#!/sbin/openrc-run
+# Copyright 2026 Shin'ya Minazuki
+
+: ${slowcgi_args=""}
+: ${slowcgi_user="nginx"}
+
+name="FastCGI to CGI wrapper server"
+command=/usr/sbin/slowcgi
+command_args="${slowcgi_args}"
+
+depend() {
+	# As declared upstream, www-servers/nginx is a requirement
+	# for this port of OpenBSD's slowcgi(8)
+	# This should not be a problem for other web servers such
+	# as www-servers/apache
+	# ~Shin'ya Minazuki
+	need nginx
+}