Gnosis chains udpate (#1453)

* adding faucet, explorer, edit info URL for Gnosis

* Adding Chiado Testnet

* naming convention

* short name

_data/chains/eip155-100.json

@@ -1,5 +1,5 @@
 {
-  "name": "Gnosis Chain",
+  "name": "Gnosis",
   "chain": "GNO",
   "icon": "gnosis",
   "rpc": [
@@ -9,18 +9,24 @@
     "https://gnosis-mainnet.public.blastapi.io",
     "wss://rpc.gnosischain.com/wss"
   ],
-  "faucets": ["https://faucet.gimlu.com/gnosis", "https://stakely.io/faucet/gnosis-chain-xdai", "https://faucet.prussia.dev/xdai"],
+  "faucets": ["https://gnosisfaucet.com", "https://faucet.gimlu.com/gnosis", "https://stakely.io/faucet/gnosis-chain-xdai", "https://faucet.prussia.dev/xdai"],
   "nativeCurrency": {
     "name": "xDAI",
     "symbol": "xDAI",
     "decimals": 18
   },
-  "infoURL": "https://developers.gnosischain.com",
+  "infoURL": "https://docs.gnosischain.com",
   "shortName": "gno",
   "chainId": 100,
   "networkId": 100,
   "slip44": 700,
   "explorers": [{
+    "name": "gnosisscan",
+    "url": "https://gnosisscan.io",
+    "icon": "gnosisscan",
+    "standard": "EIP3091"
+  },
+  {
     "name": "blockscout",
     "url": "https://blockscout.com/xdai/mainnet",
     "icon": "blockscout",

_data/chains/eip155-100100.json

@@ -0,0 +1,25 @@
+{
+  "name": "Chiado Testnet",
+  "chain": "CHI",
+  "network": "testnet",
+  "icon": "gnosis",
+  "rpc": [
+    "https://rpc-chiado.gnosistestnet.com"
+  ],
+  "faucets": ["https://gnosisfaucet.com"],
+  "nativeCurrency": {
+    "name": "Chiado xDAI",
+    "symbol": "xDAI",
+    "decimals": 18
+  },
+  "infoURL": "https://docs.gnosischain.com",
+  "shortName": "chi",
+  "chainId": 100100,
+  "networkId": 100100,
+  "explorers": [{
+    "name": "blockscout",
+    "url": "https://blockscout-chiado.gnosistestnet.com",
+    "icon": "blockscout",
+    "standard": "EIP3091"
+  }]
+}

_data/chains/eip155-300.json

@@ -1,5 +1,5 @@
 {
-  "name": "Optimism on Gnosis Chain",
+  "name": "Optimism on Gnosis",
   "chain": "OGC",
   "rpc": [
     "https://optimism.gnosischain.com",