Paxi mainnet details fixed.

Author: qf3l3k

chains/mainnet/paxi.json

@@ -15,7 +15,7 @@
   "snapshot_provider": "",
   "sdk_version": "0.50.13",
   "coin_type": "118",
-  "min_tx_fee": "1000000000000000000",
+  "min_tx_fee": "100000",
   "addr_prefix": "paxi",
   "logo": "https://res.chaintools.tech/logos/paxi.png",
   "assets": [