Pumpfi Chain Testnet (#6646)

* Add PUMPFI CHAIN TESTNET (Chain ID: 490092)

* Add logo for PUMPFI CHAIN TESTNET

* Fix missing comma in JSON file

* Fix extra blank line at the end of the JSON file

* Remove testnet field to pass JSON schema validation

* Remove slug and logo fields to pass validation

---------

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

Author: pumpfi

_data/chains/eip155-490092.json

@@ -0,0 +1,22 @@
+{
+  "name": "PUMPFI CHAIN TESTNET",
+  "chain": "PUMPFI CHAIN TESTNET",
+  "rpc": ["https://rpc1testnet.pumpfi.me"],
+  "faucets": ["https://faucet.pumpfi.me"],
+  "nativeCurrency": {
+    "name": "PMPT",
+    "symbol": "PMPT",
+    "decimals": 18
+  },
+  "infoURL": "https://pumpfi.me",
+  "shortName": "pumpfi-testnet",
+  "chainId": 490092,
+  "networkId": 490092,
+  "explorers": [
+    {
+      "name": "Pumpfi Testnet Scan",
+      "url": "https://testnetscan.pumpfi.me",
+      "standard": "EIP3091"
+    }
+  ]
+}