add: mining squared

Author: 0xB10C

pools/mining-squared.json

@@ -0,0 +1,12 @@
+{
+  "id": 152,
+  "name": "Mining Squared",
+  "addresses": [
+    "3GdjWJdkJhtkxRZ3Ns1LstaoHNMBW8XsvU"
+  ],
+  "tags": [
+    "MiningSquared",
+    "BSquared Network"
+  ],
+  "link": "https://pool.bsquared.network/"
+}