adding new coins to the chain list (#2124)

* adding mnz logo binary file

* adding mnz icons json files

for both testnet and mainnet

* adding mnz chains json

for both testnet and mainnet

* fixed explorer URL

* fixed the name

MNZ to MainnetZ

* fixed the name

MNZ to MainnetZ

* added Sardis bin logo

* added sardis icons json files

for both mainnet & testnet

* added sardis chains json files

for both mainnet & testnet

* renamed symbol to NetZ

* renamed symbol to NetZ

* added soverun icon bin file

* added soverun icons json 

for both Soverun mainnet & testnet

* added Soverun chains json files

for both Soverun mainnet & testnet

* added STAND icon bin file

* added STAND icons json files

for both mainnet & testnet

* added STAND chains json files

for both mainnet & testnet

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

_data/chains/eip155-6789.json

@@ -0,0 +1,23 @@
+{
+  "name": "Gold Smart Chain Mainnet",
+  "chain": "STAND",
+  "icon": "stand",
+  "rpc": ["https://rpc-mainnet.goldsmartchain.com"],
+  "faucets": ["https://faucet.goldsmartchain.com"],
+  "nativeCurrency": {
+    "name": "Standard in Gold",
+    "symbol": "STAND",
+    "decimals": 18
+  },
+  "infoURL": "https://goldsmartchain.com",
+  "shortName": "STANDm",
+  "chainId": 6789,
+  "networkId": 6789,
+  "explorers": [
+    {
+      "name": "Gold Smart Chain",
+      "url": "https://mainnet.goldsmartchain.com",
+      "standard": "EIP3091"
+    }
+  ]
+}

_data/chains/eip155-79879.json

@@ -0,0 +1,23 @@
+{
+  "name": "Gold Smart Chain Testnet",
+  "chain": "STAND",
+  "icon": "standTestnet",
+  "rpc": ["https://rpc-testnet.goldsmartchain.com"],
+  "faucets": ["https://faucet.goldsmartchain.com"],
+  "nativeCurrency": {
+    "name": "Standard in Gold",
+    "symbol": "STAND",
+    "decimals": 18
+  },
+  "infoURL": "https://goldsmartchain.com",
+  "shortName": "STANDt",
+  "chainId": 79879,
+  "networkId": 79879,
+  "explorers": [
+    {
+      "name": "Gold Smart Chain",
+      "url": "https://testnet.goldsmartchain.com",
+      "standard": "EIP3091"
+    }
+  ]
+}

_data/icons/stand.json

@@ -0,0 +1,8 @@
+[
+  {
+    "url": "ipfs://QmPNuymyaKLJhCaXnyrsL8358FeTxabZFsaxMmWNU4Tzt3",
+    "width": 396,
+    "height": 418,
+    "format": "png"
+  }
+]

_data/icons/standTestnet.json

@@ -0,0 +1,8 @@
+[
+  {
+    "url": "ipfs://QmPNuymyaKLJhCaXnyrsL8358FeTxabZFsaxMmWNU4Tzt3",
+    "width": 396,
+    "height": 418,
+    "format": "png"
+  }
+]