Add Polygon (Matic) asset (#5721)

blockchains/matic/info/info.json

@@ -0,0 +1,22 @@
+{
+  "name": "Matic",
+  "website": "https://polygon.technology/",
+  "source_code": "https://github.com/celo-org/celo-blockchain",
+  "white_paper": "https://github.com/maticnetwork/whitepaper",
+  "short_description": "Matic Network strives to solve the scalability and usability issues, while not compromising on decentralization and leveraging the existing developer community and ecosystem",
+  "description": "Matic Network strives to solve the scalability and usability issues, while not compromising on decentralization and leveraging the existing developer community and ecosystem",
+  "socials": [
+    {
+      "name": "Twitter",
+      "url": "https://twitter.com/0xPolygon",
+      "handle": "0xPolygon"
+    },
+    {
+      "name": "Reddit",
+      "url": "https://www.reddit.com/r/maticnetwork/",
+      "handle": "maticnetwork"
+    }
+  ],
+  "explorer": "https://explorer.matic.network/",
+  "research": "https://docs.matic.network/"
+}