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>

files/avahi-daemon.conf

@@ -0,0 +1,22 @@
+[server]
+use-ipv4=yes
+use-ipv6=no
+allow-interfaces=br-trusted,br-servers,br-media,br-iot
+deny-interfaces=br-guest
+
+[wide-area]
+enable-wide-area=no
+
+[publish]
+disable-publishing=no
+
+[reflector]
+enable-reflector=yes
+
+[rlimits]
+rlimit-core=0
+rlimit-data=4194304
+rlimit-fsize=0
+rlimit-nofile=768
+rlimit-stack=4194304
+rlimit-nproc=3