add AnchorChain mainnet (7206) and testnet (7605)

Author: smitcj

_data/chains/eip155-7206.json

@@ -0,0 +1,24 @@
+{
+  "name": "AnchorChain",
+  "chain": "ANCH",
+  "rpc": [
+    "https://api.anchorchain.co.za/rpc"
+  ],
+  "faucets": [],
+  "nativeCurrency": {
+    "name": "Anchor",
+    "symbol": "ANCH",
+    "decimals": 18
+  },
+  "infoURL": "https://anchorchain.co.za",
+  "shortName": "anch",
+  "chainId": 7206,
+  "networkId": 7206,
+  "explorers": [
+    {
+      "name": "AnchorChain Explorer",
+      "url": "https://explorer.anchorchain.co.za",
+      "standard": "none"
+    }
+  ]
+}

_data/chains/eip155-7605.json

@@ -0,0 +1,27 @@
+{
+  "name": "AnchorChain Testnet",
+  "chain": "ANCH",
+  "rpc": [
+    "https://api-testnet.anchorchain.co.za/rpc"
+  ],
+  "faucets": [
+    "https://api-testnet.anchorchain.co.za/v1/faucet/claim"
+  ],
+  "nativeCurrency": {
+    "name": "Anchor",
+    "symbol": "ANCH",
+    "decimals": 18
+  },
+  "infoURL": "https://anchorchain.co.za",
+  "shortName": "anch-testnet",
+  "chainId": 7605,
+  "networkId": 7605,
+  "testnet": true,
+  "explorers": [
+    {
+      "name": "AnchorChain Testnet Explorer",
+      "url": "https://explorer-testnet.anchorchain.co.za",
+      "standard": "none"
+    }
+  ]
+}