Update TOKO's smart contract address and logo (#5232)

* Update TOKO smart contract address and logo

* add TOKO info.json

* add short desc key

* fix checksum

blockchains/ethereum/assets/0xa0F0546Eb5E3eE7e8cfC5DA12e5949F3AE622675/info.json

@@ -0,0 +1,26 @@
+{
+    "name": "TOKO",
+    "website": "https://www.tokoin.io/",
+    "short_description": "Tokoin's mission is to facilitate trustworthy data exchange in a specified platform so that SMEs will be able to meet their needs for financing and business services without intermediaries.",
+    "description": "Tokoin's mission is to facilitate trustworthy data exchange in a specified platform so that SMEs will be able to meet their needs for financing and business services without intermediaries.",
+    "white_paper": "https://www.tokoin.io/whitepaper/Tokoin-Whitepaper.pdf?id=ebfd311b2b26bf1a6201",
+    "source_code": "https://github.com/tokoinofficial",
+    "explorer": "https://etherscan.io/token/0xa0F0546Eb5E3eE7e8cfC5DA12e5949F3AE622675",
+    "socials": [
+        {
+            "name": "Twitter",
+            "url": "https://twitter.com/tokoinglobal",
+            "handle": "Tokoin"
+        },
+        {
+            "name": "Telegram",
+            "url": "https://t.me/tokoinglobal",
+            "handle": "Tokoin"
+        },
+        {
+            "name": "Facebook",
+            "url": "https://www.facebook.com/tokoinindonesia",
+            "handle": "Tokoin"
+        }
+    ]
+}