Kieran's opinionated (and probably slightly dumb) nix config

docs: add start wpa supplicant

dunkirk.sh 3a46bad3 cc22a5c2

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Changed files
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README.md
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Check with `ping 1.1.1.1` if that doesn't work then use `wpa_cli`
```bash
wpa_cli
add_network 0 ssid "put your ssid here"
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Check with `ping 1.1.1.1` if that doesn't work then use `wpa_cli`
```bash
+
sudo systemctl start wpa_supplicant
wpa_cli
add_network 0 ssid "put your ssid here"