Update README.md

./download.sh ramips-1806

```

- Step 4 (optional): Build the SDK for the Gl.iNet Mango

```

./builder.sh -t ramips-1806 -d ./sdk/1806/ramips

```

- Step 5: Clone the ETSI ITS-bridge OpenWrt package

- Step 4: Clone the ETSI ITS-bridge OpenWrt package

```

cd ./sdk/1806/ramips

git clone https://forge.etsi.org/rep/plugtests/its-plugtests/its-bridge.git package/its-bridge

./scripts/feeds install libpcap libmicrohttpd

```

- Step 6: Build the its_bridge package

- Step 5: Build the its_bridge package

```

make package/its_bridge/compile V=s

```

- Step 7: Install the package on the Gl.iNet mt300n-v2 Mango device

- Step 6: Install the package on the Gl.iNet mt300n-v2 Mango device

-- Step 1: Copy the package to the device using SSH access

```

scp ./bin/packages/mipsel_24kc/base/its_bridge_0.0.1-1_mipsel_24kc.ipk root@192.168.8.1:/root