Add ALPHA logos and info (#4818)

* Add ALPHA logos and info

- Add info and logos for ALPHA token.
- Please visit https://alphafinance.io/ for more information about Alpha Finance Lab.

* Add ALPHA logos and info

* Fix explorer

blockchains/ethereum/assets/0xa1faa113cbE53436Df28FF0aEe54275c13B40975/info.json

@@ -0,0 +1,22 @@
+{
+    "name": "Alpha Token",
+    "website": "https://alphafinance.io",
+    "source_code": "https://github.com/AlphaFinanceLab",    
+    "short_description": "Alpha Finance Lab is an ecosystem of cross-chain DeFi products that will interoperate to bring optimal alpha returns to users. Alpha products focus on capturing unaddressed demand in DeFi in an innovative and user friendly way.",
+    "explorer": "https://etherscan.io/token/0xa1faa113cbE53436Df28FF0aEe54275c13B40975",
+    "data_source": "crowd",
+    "socials": [
+        {
+            "name": "Twitter",
+            "url": "https://twitter.com/alphafinancelab"
+        },
+        {
+            "name": "Telegram",
+            "url": "https://t.me/AlphaFinanceLab"
+        },
+        {
+            "name": "Discord",
+            "url": "https://discord.com/invite/Z2vuKDT"
+        }
+    ]    
+  }