fix(metablogizer): Add default UCI config for menu visibility

- Add /etc/config/metablogizer with default settings
- Update Makefile to install config as conffile
- Fixes 404 error when accessing MetaBlogizer in LuCI

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

package/secubox/luci-app-metablogizer/Makefile

@@ -18,7 +18,14 @@ PKG_LICENSE:=GPL-2.0
 
 include $(TOPDIR)/feeds/luci/luci.mk
 
+define Package/luci-app-metablogizer/conffiles
+/etc/config/metablogizer
+endef
+
 define Package/luci-app-metablogizer/install
+	$(INSTALL_DIR) $(1)/etc/config
+	$(INSTALL_CONF) ./root/etc/config/metablogizer $(1)/etc/config/metablogizer
+
 	$(INSTALL_DIR) $(1)/usr/libexec/rpcd
 	$(INSTALL_BIN) ./root/usr/libexec/rpcd/luci.metablogizer $(1)/usr/libexec/rpcd/luci.metablogizer
 

package/secubox/luci-app-metablogizer/root/etc/config/metablogizer

@@ -0,0 +1,4 @@
+config metablogizer 'main'
+	option enabled '1'
+	option nginx_container 'nginx'
+	option sites_root '/srv/metablogizer/sites'