Build velia daemon

Introduce package for velia, configure build and systemd services.
Removes czechlight LEDs boot service.

Change-Id: I84d724918a3a6c7654eb113abce4d7068d7770a6
Co-authored-by: Jan Kundrát <kundrat@cesnet.cz>
diff --git a/package/velia/Config.in b/package/velia/Config.in
new file mode 100644
index 0000000..5932a39
--- /dev/null
+++ b/package/velia/Config.in
@@ -0,0 +1,11 @@
+config BR2_PACKAGE_VELIA
+	bool "velia"
+	select BR2_PACKAGE_DOCOPT_CPP
+	select BR2_PACKAGE_SPDLOG
+	select BR2_PACKAGE_BOOST
+	select BR2_PACKAGE_SDBUS_CPP
+	select BR2_PACKAGE_SYSTEMD
+	help
+	  Health tracking for embedded devices running Linux
+
+	  https://gerrit.cesnet.cz/q/project:CzechLight/velia