chore: Version 0.4.0 - Theme and System Hub release

Updated package versions:
- luci-theme-secubox: 1.0.0 → 0.4.0
- luci-app-system-hub: 0.3.6 → 0.4.0
- luci-app-network-modes: 0.4.0 → 0.3.6-r2 (WIP, not in this release)

Version 0.4.0 includes:
- Complete global CyberMood theme system
- Theme integration in system-hub
- Multi-language foundation (en, fr, de, es)
- 100+ CSS variables for unified design
- Theme components and utilities

Network-modes marked as WIP for future release.

🤖 Generated with [Claude Code](https://claude.com/claude-code)

Co-Authored-By: Claude Sonnet 4.5 <noreply@anthropic.com>

luci-app-network-modes/Makefile

@@ -8,8 +8,8 @@
 include $(TOPDIR)/rules.mk
 
 PKG_NAME:=luci-app-network-modes
-PKG_VERSION:=0.4.0
-PKG_RELEASE:=1
+PKG_VERSION:=0.3.6
+PKG_RELEASE:=2
 
 PKG_LICENSE:=Apache-2.0
 PKG_MAINTAINER:=CyberMind <contact@cybermind.fr>

luci-app-system-hub/Makefile

@@ -1,7 +1,7 @@
 include $(TOPDIR)/rules.mk
 
 PKG_NAME:=luci-app-system-hub
-PKG_VERSION:=0.3.6
+PKG_VERSION:=0.4.0
 PKG_RELEASE:=1
 PKG_LICENSE:=Apache-2.0
 PKG_MAINTAINER:=CyberMind <contact@cybermind.fr>

luci-theme-secubox/Makefile

@@ -1,7 +1,7 @@
 include $(TOPDIR)/rules.mk
 
 PKG_NAME:=luci-theme-secubox
-PKG_VERSION:=1.0.0
+PKG_VERSION:=0.4.0
 PKG_RELEASE:=1
 PKG_LICENSE:=Apache-2.0
 PKG_MAINTAINER:=CyberMind <contact@cybermind.fr>