Add MEGA token on MegaETH (#20)

* Create data.json

* Add logo.svg

Author: 0xBreadguy

data/MEGA/data.json

@@ -0,0 +1,11 @@
+{
+  "name": "MEGA",
+  "symbol": "MEGA",
+  "decimals": 18,
+  "description": "Ecosystem token of MegaETH",
+  "tokens": {
+    "megaeth": {
+      "address": "0x28B7E77f82B25B95953825F1E3eA0E36c1c29861"
+    }
+  }
+}