POC CHAIN testnet (ethereum-lists#8033)

* Add POC  Testnet

Added chain configurations for  POC Testnet (484848).

RPC endpoints are live and HTTPS enabled.

Explorer is running.

Icons are attached.

CI tests passed locally.

* Add POC Testnet

Added chain configurations for POC Testnet (484848).

RPC endpoints are live and HTTPS enabled.

Explorer is running.

Icons are attached.

CI tests passed locally.

* Add POC  Testnet

Add POC  Testnet

* add poc chain

format

---------

Co-authored-by: ligi <ligi@ligi.de>

Author: yejunyu

_data/chains/eip155-1148.json

@@ -0,0 +1,23 @@
+{
+  "name": "POC Testnet",
+  "chain": "POC",
+  "rpc": ["https://testnet-rpc.pochain.io"],
+  "faucets": ["https://www.pochain.io/poc-faucet"],
+  "nativeCurrency": {
+    "name": "POC Native Token",
+    "symbol": "POC",
+    "decimals": 18
+  },
+  "infoURL": "https://www.pochain.io",
+  "shortName": "poc",
+  "chainId": 1148,
+  "networkId": 1148,
+  "icon": "pochain",
+  "explorers": [
+    {
+      "name": "pocscan",
+      "url": "https://testnet.pocscan.com",
+      "standard": "EIP3091"
+    }
+  ]
+}

_data/icons/pochain.json

@@ -0,0 +1,8 @@
+[
+  {
+    "url": "ipfs://bafkreigxoer3jdv5hysomlo4lbpk4gibcmbhuwj4hkmbqcwiuxa26qy4je",
+    "width": 32,
+    "height": 32,
+    "format": "png"
+  }
+]