Add mettalex token logo (#5238)

* Add mettalex token logo

* Add mettalex info json file

Co-authored-by: Vijay sharma <vijay.sharma@fetch.ai>

blockchains/ethereum/assets/0x2e1E15C44Ffe4Df6a0cb7371CD00d5028e571d14/info.json

@@ -0,0 +1,45 @@
+{
+  "name": "Mettalex",
+  "website": "https://mettalex.com/",
+  "source_code": "https://github.com/fetchai/mettalex-market-maker",
+  "short_description": "Bringing the $20T commodities market to DeFi.",
+  "description": "Mettalex is a capital-efficient commodity derivatives DEX featuring unique market pairs, autonomous market making, banded trading, one-sided liquidity provision, and MTLX-based governance.",
+  "socials": [
+    {
+      "name": "Twitter",
+      "url": "https://twitter.com/Mettalex",
+      "handle": "Mettalex"
+    },
+    {
+      "name": "Medium",
+      "url": "https://medium.com/mettalex",
+      "handle": "Mettalex"
+    },
+    {
+      "name": "Telegram",
+      "url": "https://t.me/mettalex_official",
+      "handle": "Mettalex Official"
+    },
+    {
+      "name": "Telegram",
+      "url": "https://t.me/mettalex_official_news",
+      "handle": "Mettalex News"
+    },
+    {
+      "name": "Discord",
+      "url": "https://discord.gg/zvWqGEaykD",
+      "handle": "Mettalex"
+    },
+    {
+      "name": "YouTube",
+      "url": "https://www.youtube.com/channel/UCrEQK_X2Vm1kCtftlRoodXA",
+      "handle": "Mettalex"
+    },
+    {
+      "name": "LinkedIn",
+      "url": "https://www.linkedin.com/company/mettalex/",
+      "handle": "Mettalex"
+    }
+  ],
+  "explorer": "https://etherscan.io/token/0x2e1E15C44Ffe4Df6a0cb7371CD00d5028e571d14"
+}