Add PlatON logo and info (#20528)

* add platon logo and info
* fixed reddit link
* update name
Co-authored-by: Ben <huangzhangcheng@matrixelements.com>

blockchains/platon/info/info.json

@@ -0,0 +1,33 @@
+{
+    "name": "PlatON",
+    "website": "https://www.platon.network/",
+    "description": "LAT is the native token of PlatON Network. It is a digital currency. You can transfer it through the PlatON network or use applications built on PlatON with LATs.",
+    "explorer": "https://scan.platon.network/",
+    "research": "https://devdocs.platon.network/docs/",
+    "symbol": "LAT",
+    "type": "coin",
+    "decimals": 18,
+    "status": "active",
+    "links": [
+        {
+            "name": "telegram",
+            "url": "https://t.me/PlatONNetwork"
+        },
+        {
+            "name": "twitter",
+            "url": "https://twitter.com/PlatON_Network"
+        },
+        {
+            "name": "reddit",
+            "url": "https://reddit.com/user/PlatON_Network"
+        },
+        {
+            "name": "medium",
+            "url": "https://platon-network.medium.com"
+        },
+        {
+            "name": "github",
+            "url": "https://github.com/PlatONnetwork"
+        }
+    ]
+}