add Gather chains (ethereum-lists#598)

* add gather chains

* change short name

Author: scream4ik

.gitignore

@@ -3,4 +3,5 @@ _site
 .jekyll-metadata
 .DS_Store
 .env
-node_modules
+node_modules
+.idea

_data/chains/eip155-192837465.json

@@ -0,0 +1,23 @@
+{
+  "name": "Gather Mainnet Network",
+  "chain": "GTH",
+  "network": "mainnet",
+  "rpc": [
+    "https://mainnet.gather.network"
+  ],
+  "faucets": [],
+  "nativeCurrency": {
+    "name": "Gather",
+    "symbol": "GTH",
+    "decimals": 18
+  },
+  "infoURL": "https://gather.network",
+  "shortName": "GTH",
+  "chainId": 192837465,
+  "networkId": 192837465,
+  "explorers": [{
+    "name": "Blockscout",
+    "url": "https://explorer.gather.network/",
+    "standard": "none"
+  }]
+}

_data/chains/eip155-356256156.json

@@ -0,0 +1,23 @@
+{
+  "name": "Gather Tesnet Network",
+  "chain": "GTH",
+  "network": "testnet",
+  "rpc": [
+    "https://testnet.gather.network"
+  ],
+  "faucets": [],
+  "nativeCurrency": {
+    "name": "Gather",
+    "symbol": "GTH",
+    "decimals": 18
+  },
+  "infoURL": "https://gather.network",
+  "shortName": "tGTH",
+  "chainId": 356256156,
+  "networkId": 356256156,
+  "explorers": [{
+    "name": "Blockscout",
+    "url": "https://testnet-explorer.gather.network/",
+    "standard": "none"
+  }]
+}

_data/chains/eip155-486217935.json

@@ -0,0 +1,23 @@
+{
+  "name": "Gather Devnet Network",
+  "chain": "GTH",
+  "network": "devnet",
+  "rpc": [
+    "https://devnet.gather.network"
+  ],
+  "faucets": [],
+  "nativeCurrency": {
+    "name": "Gather",
+    "symbol": "GTH",
+    "decimals": 18
+  },
+  "infoURL": "https://gather.network",
+  "shortName": "dGTH",
+  "chainId": 486217935,
+  "networkId": 486217935,
+  "explorers": [{
+    "name": "Blockscout",
+    "url": "https://devnet-explorer.gather.network/",
+    "standard": "none"
+  }]
+}