chore: initial repo setup with baseline config backup

- Pull current config from router (OpenWRT 24.10.2)
- Add backup, safe-apply, and push-all scripts
- Add CLAUDE.md with workflow rules and context
- Add network-map.md with current topology and planned VLANs

Co-Authored-By: Claude Sonnet 4.6 <noreply@anthropic.com>

config/system

@@ -0,0 +1,31 @@
+
+config system
+	option hostname 'OpenWrt'
+	option timezone 'UTC'
+	option ttylogin '0'
+	option log_size '128'
+	option urandom_seed '0'
+	option compat_version '1.1'
+
+config timeserver 'ntp'
+	option enabled '1'
+	option enable_server '0'
+	list server '0.openwrt.pool.ntp.org'
+	list server '1.openwrt.pool.ntp.org'
+	list server '2.openwrt.pool.ntp.org'
+	list server '3.openwrt.pool.ntp.org'
+
+config led 'led_lan'
+	option name 'LAN'
+	option sysfs 'green:lan'
+	option trigger 'netdev'
+	option mode 'link tx rx'
+	option dev 'br-lan'
+
+config led 'led_wan'
+	option name 'WAN'
+	option sysfs 'green:wan'
+	option trigger 'netdev'
+	option mode 'link tx rx'
+	option dev 'wan'
+