Add USDf and Gaia (#6023)

* Add files via upload

* Update and rename blockchains/ethereum/assets/0x91db7f473e313ab7dc5d841d896c10c26709c810/info.json to blockchains/ethereum/assets/0x4B9E5fe882b2fbB3E098c9A25a8Ce66135Ed2be4/info.json

* Delete blockchains/ethereum/assets/0x91db7f473e313ab7dc5d841d896c10c26709c810 directory

* Add files via upload

* Delete info.png

* Update and rename blockchains/ethereum/assets/0x05462671c05adc39a6521fa60d5e9443e9e9d2b9/info.json to blockchains/ethereum/assets/0x05462671C05aDc39A6521fA60D5e9443e9E9d2B9/info.json

* Delete usdf.png

* Add files via upload

* Add files via upload

* Add files via upload

blockchains/ethereum/assets/0x05462671C05aDc39A6521fA60D5e9443e9E9d2B9/info.json

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+
+{
+    "name": "USDf",
+    "website": "https://dollarprotocol.com",
+    "description": "USDf is a fractionally backed algorithmic stablecoin that is backed by collateral such as USDC and Gaia, the protocol's reserve asset.",
+    "explorer": "https://etherscan.io/token/0x05462671C05aDc39A6521fA60D5e9443e9E9d2B9",
+    "type": "ERC20",
+    "symbol": "USDf",
+    "decimals": 9,
+    "status": "active",
+    "id": "0x05462671C05aDc39A6521fA60D5e9443e9E9d2B9"
+}

blockchains/ethereum/assets/0x4B9E5fe882b2fbB3E098c9A25a8Ce66135Ed2be4/info.json

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+
+{
+    "name": "Gaia",
+    "website": "https://dollarprotocol.com",
+    "description": "Gaia is the algorithmic reserve asset in Dollar Protocol's f-series",
+    "explorer": "https://etherscan.io/token/0x4B9E5fe882b2fbB3E098c9A25a8Ce66135Ed2be4",
+    "type": "ERC20",
+    "symbol": "Gaia",
+    "decimals": 9,
+    "status": "active",
+    "id": "0x4B9E5fe882b2fbB3E098c9A25a8Ce66135Ed2be4"
+}