move setup-network.sh to spoke/ directory

README.md

@@ -31,7 +31,7 @@ On a fresh Armbian device:
 apt install git
 git clone https://gut.oily.dad/justin/tinyboard
 cd tinyboard
-./setup-network.sh   # configure static IP — SSH session will drop, reconnect
+./spoke/setup-network.sh   # configure static IP — SSH session will drop, reconnect
 ./setup.sh           # choose option 1
 ```
 
@@ -76,7 +76,7 @@ Spokes initiate outbound SSH connections to the hub, creating reverse tunnels. T
 ```
 tinyboard/
 ├── setup.sh                  ← entry point
-├── setup-network.sh          ← configure static IP on spoke before setup
+│   ├── setup-network.sh      ← configure static IP before setup
 ├── spoke/
 │   ├── setup-spoke.sh        ← automated spoke setup
 │   ├── compose.yaml          ← Docker Compose for autossh + syncthing
@@ -99,7 +99,7 @@ Entry point. Presents a menu:
 3. Offboard a spoke from the hub
 4. Set up this device as a new hub
 
-### `setup-network.sh`
+### `spoke/setup-network.sh`
 Run as root on a new spoke before `setup.sh`. Configures a static IP via netplan. Supports both WiFi and wired interfaces. Automatically reverts if network connectivity is lost after applying the new config.
 
 ### `spoke/setup-spoke.sh`