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/ucode-mod-lua_aarch64_cortex-a53/CONTROL/control

@@ -0,0 +1,12 @@
+Package: ucode-mod-lua
+Version: 1
+Depends: libc, libucode20230711, liblua5.1.5
+Source: feeds/luci/contrib/package/ucode-mod-lua
+SourceName: ucode-mod-lua
+License: ISC
+Section: utils
+SourceDateEpoch: 1738611490
+Maintainer: Jo-Philipp Wich <jo@mein.io>
+Architecture: aarch64_cortex-a53
+Installed-Size: 71680
+Description:  ucode to Lua bridge library

ipk-source/ucode-mod-lua_aarch64_cortex-a53/CONTROL/postinst

@@ -0,0 +1,5 @@
+#!/bin/sh
+[ "${IPKG_NO_SCRIPT}" = "1" ] && exit 0
+[ -s ${IPKG_INSTROOT}/lib/functions.sh ] || exit 0
+. ${IPKG_INSTROOT}/lib/functions.sh
+default_postinst $0 $@

ipk-source/ucode-mod-lua_aarch64_cortex-a53/CONTROL/prerm

@@ -0,0 +1,4 @@
+#!/bin/sh
+[ -s ${IPKG_INSTROOT}/lib/functions.sh ] || exit 0
+. ${IPKG_INSTROOT}/lib/functions.sh
+default_prerm $0 $@