fix(tokens): update logoURI for BNB-USD and BUSD to correct BscScan image URLs (#100)

Author: RichardIrala

index/bnb/erc20.json

@@ -92,7 +92,7 @@
       "name": "BNB-USD",
       "symbol": "BNB-USD",
       "decimals": 18,
-      "logoURI": "https://www.bscscan.com/token/images/busdt_128.png",
+      "logoURI": "https://bscscan.com/token/images/busdt_32.png",
       "extensions": {
         "link": "https://www.binance.com/en/trade/BNB_USDT",
         "description": "A pegged token by Binance which gives you the joint benefits of open blockchain technology and traditional currency by converting your cash into a stable digital currency equivalent.",
@@ -188,7 +188,7 @@
       "name": "BUSD",
       "symbol": "BUSD",
       "decimals": 18,
-      "logoURI": "https://assets.coingecko.com/coins/images/9576/large/BUSD.png?1568947766",
+      "logoURI": "https://bscscan.com/token/images/busd_32_2.png",
       "extensions": {
         "link": "https://www.paxos.com/busd/",
         "description": "BUSD is a 1:1 USD-backed stablecoin approved by the New York State Department of Financial Services (NYDFS), issued in partnership with Paxos.",