Update SEM info.json

Source:
https://coinmarketcap.com/currencies/semux/

blockchains/semux/info/info.json

@@ -1,18 +1,18 @@
 {
-    "name": "",
-    "website": "",
-    "source_code": "",
+    "name": "Semux",
+    "website": "https://www.semux.org",
+    "source_code": "https://github.com/semuxproject/semux-core",
     "whitepaper": "",
     "explorers": [
         {
-            "name": "",
-            "url": ""
+            "name": "Semux Info",
+            "url": "https://semux.info/explorer"
         }
     ],
     "socials": [
         {
             "name": "Twitter",
-            "url": ""
+            "url": "https://twitter.com/semuxproject"
         },
         {
             "name": "Reddit",
@@ -22,7 +22,7 @@
     "details": [
         {
             "language": "en",
-            "description": ""
+            "description": "Semux (SEM) is a cryptocurrency. Users are able to generate SEM through the process of mining. Semux has a current supply of 12,712,343. The last known price of Semux is $0.085086 USD and is down -8.12% over the last 24 hours. It is currently trading on 3 active market(s) with $2,401.79 traded over the last 24 hours. More information can be found at https://www.semux.org."
         }
     ],
     "data_source": "crowd"