ln: update list of fallback nodes
ln: update list of fallback nodes

with some popular nodes from 1ml.com

wakiyamap/electrum-mona,pooler/electrum-ltc,spesmilo/electrum,vialectrum/vialectrum,pooler/electrum-ltc,wakiyamap/electrum-mona,vialectrum/vialectrum,spesmilo/electrum,pooler/electrum-ltc,spesmilo/electrum,wakiyamap/electrum-mona,vialectrum/vialectrum,spesmilo/electrum,pooler/electrum-ltc,wakiyamap/electrum-mona