Add Luci Theme argon and app

- Also added missing depends from source: https://dl.openwrt.ai/packages-24.10/aarch64_cortex-a53/

- Argon theme and app source:
https://github.com/jerrykuku/luci-theme-argon

ipk-source/luci-app-argon-config/CONTROL/postinst-pkg

@@ -0,0 +1,7 @@
+[ -n "${IPKG_INSTROOT}" ] || {
+	(. /etc/uci-defaults/luci-argon-config) && rm -f /etc/uci-defaults/luci-argon-config
+	rm -f /tmp/luci-indexcache
+	rm -rf /tmp/luci-modulecache/
+	killall -HUP rpcd 2>/dev/null
+	exit 0
+}