feat: create chain registry (#835)

* create chain registry

* fix: add testnet and mainnet registry

* doc: updated chain registry

* doc: berlin rpc

* add lisbon registry

* asset: add icx token png

* docs: add assets url

---------

Co-authored-by: izyak <76203436+izyak@users.noreply.github.com>
Co-authored-by: izyak <lbackup887@gmail.com>

Author: ibrizsabin

docs/cosmos-registry/berlin.json

@@ -0,0 +1,57 @@
+{
+  "chainId": "0x7.icon",
+  "chainName": "Berlin",
+  "pretty_name": "Icon Berlin",
+  "status": "live",
+  "network_type": "testnet",
+  "chainSymbolImageUrl": "https://raw.githubusercontent.com/icon-project/IBC-Integration/main/resources/ICX-token.png",
+  "rpc": "https://berlin.net.solidwallet.io/api/v3/",
+  "rest": "https://berlin.net.solidwallet.io/api/v3/",
+  "nodeProvider": {
+    "name": "Icon Foundation",
+    "email": "fez@icon.foundation",
+    "website":"https://www.icon.foundation/"
+  },
+  "bip44": {
+    "coinType": 118
+  },
+  "bech32Config": {
+    "bech32PrefixAccAddr": "",
+    "bech32PrefixAccPub": "",
+    "bech32PrefixValAddr": "",
+    "bech32PrefixValPub": "",
+    "bech32PrefixConsAddr": "",
+    "bech32PrefixConsPub": ""
+  },
+  "currencies": [
+    {
+      "coinDenom": "ICX",
+      "coinMinimalDenom": "loop",
+      "coinDecimals": 18,
+      "coinGeckoId": "icon"
+    }
+  ],
+  "feeCurrencies": [
+    {
+      "coinDenom": "ICX",
+      "coinMinimalDenom": "loop",
+      "coinDecimals": 18,
+      "coinGeckoId": "",
+      "gasPriceStep": {
+        "low": 0.01,
+        "average": 0.025,
+        "high": 0.03
+      }
+    }
+  ],
+  "stakeCurrency": {
+    "coinDenom": "ICX",
+    "coinMinimalDenom": "loop",
+    "coinDecimals": 18,
+    "coinGeckoId": "icon"
+  },
+  "features": [
+    "cosmwasm",
+    "ibc"
+  ]
+}

docs/cosmos-registry/icon.json

@@ -0,0 +1,58 @@
+{
+    "chainId": "0x1.icon",
+    "chainName": "Icon",
+    "pretty_name": "Icon",
+    "status": "live",
+    "network_type": "mainnet",
+    "chainSymbolImageUrl": "https://raw.githubusercontent.com/icon-project/IBC-Integration/main/resources/ICX-token.png",
+    "rpc": "https://ctz.solidwallet.io/api/v3/",
+    "rest": "https://ctz.solidwallet.io/api/v3/",
+    "nodeProvider": {
+      "name": "Icon Foundation",
+      "email": "fez@icon.foundation",
+      "website":"https://www.icon.foundation/"
+    },
+    "bip44": {
+      "coinType": 118
+    },
+    "bech32Config": {
+      "bech32PrefixAccAddr": "",
+      "bech32PrefixAccPub": "",
+      "bech32PrefixValAddr": "",
+      "bech32PrefixValPub": "",
+      "bech32PrefixConsAddr": "",
+      "bech32PrefixConsPub": ""
+    },
+    "currencies": [
+      {
+        "coinDenom": "ICX",
+        "coinMinimalDenom": "loop",
+        "coinDecimals": 18,
+        "coinGeckoId": "icon"
+      }
+    ],
+    "feeCurrencies": [
+      {
+        "coinDenom": "ICX",
+        "coinMinimalDenom": "loop",
+        "coinDecimals": 18,
+        "coinGeckoId": "",
+        "gasPriceStep": {
+          "low": 0.01,
+          "average": 0.025,
+          "high": 0.03
+        }
+      }
+    ],
+    "stakeCurrency": {
+      "coinDenom": "ICX",
+      "coinMinimalDenom": "loop",
+      "coinDecimals": 18,
+      "coinGeckoId": "icon"
+    },
+    "features": [
+      "cosmwasm",
+      "ibc"
+    ]
+  }
+  

docs/cosmos-registry/lisbon.json

@@ -0,0 +1,58 @@
+{
+    "chainId": "0x2.icon",
+    "chainName": "Lisbon",
+    "pretty_name": "Icon Lisbon",
+    "status": "live",
+    "network_type": "testnet",
+    "chainSymbolImageUrl": "https://raw.githubusercontent.com/icon-project/IBC-Integration/main/resources/ICX-token.png",
+    "rpc": "https://lisbon.net.solidwallet.io/api/v3/",
+    "rest": "https://lisbon.net.solidwallet.io/api/v3/",
+    "nodeProvider": {
+      "name": "Icon Foundation",
+      "email": "fez@icon.foundation",
+      "website":"https://www.icon.foundation/"
+    },
+    "bip44": {
+      "coinType": 118
+    },
+    "bech32Config": {
+      "bech32PrefixAccAddr": "",
+      "bech32PrefixAccPub": "",
+      "bech32PrefixValAddr": "",
+      "bech32PrefixValPub": "",
+      "bech32PrefixConsAddr": "",
+      "bech32PrefixConsPub": ""
+    },
+    "currencies": [
+      {
+        "coinDenom": "ICX",
+        "coinMinimalDenom": "loop",
+        "coinDecimals": 18,
+        "coinGeckoId": "icon"
+      }
+    ],
+    "feeCurrencies": [
+      {
+        "coinDenom": "ICX",
+        "coinMinimalDenom": "loop",
+        "coinDecimals": 18,
+        "coinGeckoId": "",
+        "gasPriceStep": {
+          "low": 0.01,
+          "average": 0.025,
+          "high": 0.03
+        }
+      }
+    ],
+    "stakeCurrency": {
+      "coinDenom": "ICX",
+      "coinMinimalDenom": "loop",
+      "coinDecimals": 18,
+      "coinGeckoId": "icon"
+    },
+    "features": [
+      "cosmwasm",
+      "ibc"
+    ]
+  }
+