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/root/usr/lib/lua/luci/controller/argon-config.lua

@@ -0,0 +1,10 @@
+module("luci.controller.argon-config", package.seeall)
+
+function index()
+	if not nixio.fs.access('/www/luci-static/argon/css/cascade.css') then
+		return
+	end
+
+	local page = entry({"admin", "system", "argon-config"}, form("argon-config"), _("Argon Config"), 90)
+	page.acl_depends = { "luci-app-argon-config" }
+end