docs: add FDUSD addresses

Author: chechu

deployed-contracts/core-pool.md

@@ -32,6 +32,7 @@
 * DOGE: [`0xbA2aE424d960c26247Dd6c32edC70B295c744C43`](https://bscscan.com/address/0xbA2aE424d960c26247Dd6c32edC70B295c744C43)
 * DOT: [`0x7083609fCE4d1d8Dc0C979AAb8c869Ea2C873402`](https://bscscan.com/address/0x7083609fCE4d1d8Dc0C979AAb8c869Ea2C873402)
 * ETH: [`0x2170Ed0880ac9A755fd29B2688956BD959F933F8`](https://bscscan.com/address/0x2170Ed0880ac9A755fd29B2688956BD959F933F8)
+* FDUSD: [`0xc5f0f7b66764F6ec8C8Dff7BA683102295E16409`](https://bscscan.com/address/0xc5f0f7b66764F6ec8C8Dff7BA683102295E16409)
 * FIL: [`0x0D8Ce2A99Bb6e3B7Db580eD848240e4a0F9aE153`](https://bscscan.com/address/0x0D8Ce2A99Bb6e3B7Db580eD848240e4a0F9aE153)
 * LINK: [`0xF8A0BF9cF54Bb92F17374d9e9A321E6a111a51bD`](https://bscscan.com/address/0xF8A0BF9cF54Bb92F17374d9e9A321E6a111a51bD)
 * LTC: [`0x4338665CBB7B2485A8855A139b75D5e34AB0DB94`](https://bscscan.com/address/0x4338665CBB7B2485A8855A139b75D5e34AB0DB94)
@@ -66,6 +67,7 @@
 * vDOGE: [`0xec3422Ef92B2fb59e84c8B02Ba73F1fE84Ed8D71`](https://bscscan.com/address/0xec3422Ef92B2fb59e84c8B02Ba73F1fE84Ed8D71)
 * vDOT: [`0x1610bc33319e9398de5f57B33a5b184c806aD217`](https://bscscan.com/address/0x1610bc33319e9398de5f57B33a5b184c806aD217)
 * vETH: [`0xf508fCD89b8bd15579dc79A6827cB4686A3592c8`](https://bscscan.com/address/0xf508fCD89b8bd15579dc79A6827cB4686A3592c8)
+* vFDUSD: [`0xC4eF4229FEc74Ccfe17B2bdeF7715fAC740BA0ba`](https://bscscan.com/address/0xC4eF4229FEc74Ccfe17B2bdeF7715fAC740BA0ba)
 * vFIL: [`0xf91d58b5aE142DAcC749f58A49FCBac340Cb0343`](https://bscscan.com/address/0xf91d58b5aE142DAcC749f58A49FCBac340Cb0343)
 * vLINK: [`0x650b940a1033B8A1b1873f78730FcFC73ec11f1f`](https://bscscan.com/address/0x650b940a1033B8A1b1873f78730FcFC73ec11f1f)
 * vLTC: [`0x57A5297F2cB2c0AaC9D554660acd6D385Ab50c6B`](https://bscscan.com/address/0x57A5297F2cB2c0AaC9D554660acd6D385Ab50c6B)
@@ -111,6 +113,7 @@
 * CAKE: [`0xe8bd7cCC165FAEb9b81569B05424771B9A20cbEF`](https://testnet.bscscan.com/address/0xe8bd7cCC165FAEb9b81569B05424771B9A20cbEF)
 * DOGE: [`0x67D262CE2b8b846d9B94060BC04DC40a83F0e25B`](https://testnet.bscscan.com/address/0x67D262CE2b8b846d9B94060BC04DC40a83F0e25B)
 * ETH: [`0x98f7A83361F7Ac8765CcEBAB1425da6b341958a7`](https://testnet.bscscan.com/address/0x98f7A83361F7Ac8765CcEBAB1425da6b341958a7)
+* FDUSD: [`0xcF27439fA231af9931ee40c4f27Bb77B83826F3C`](https://testnet.bscscan.com/address/0xcF27439fA231af9931ee40c4f27Bb77B83826F3C)
 * LTC: [`0x969F147B6b8D81f86175de33206A4FD43dF17913`](https://testnet.bscscan.com/address/0x969F147B6b8D81f86175de33206A4FD43dF17913)
 * MATIC: [`0xcfeb0103d4BEfa041EA4c2dACce7B3E83E1aE7E3`](https://testnet.bscscan.com/address/0xcfeb0103d4BEfa041EA4c2dACce7B3E83E1aE7E3)
 * SXP: [`0x75107940Cf1121232C0559c747A986DEfbc69DA9`](https://testnet.bscscan.com/address/0x75107940Cf1121232C0559c747A986DEfbc69DA9)
@@ -135,6 +138,7 @@
 * vCAKE: [`0xeDaC03D29ff74b5fDc0CC936F6288312e1459BC6`](https://testnet.bscscan.com/address/0xeDaC03D29ff74b5fDc0CC936F6288312e1459BC6)
 * vDOGE: [`0xF912d3001CAf6DC4ADD366A62Cc9115B4303c9A9`](https://testnet.bscscan.com/address/0xF912d3001CAf6DC4ADD366A62Cc9115B4303c9A9)
 * vETH: [`0x162D005F0Fff510E54958Cfc5CF32A3180A84aab`](https://testnet.bscscan.com/address/0x162D005F0Fff510E54958Cfc5CF32A3180A84aab)
+* vFDUSD: [`0x8d79c8f4400fe68fd17040539fe5e1706c1f2850`](https://testnet.bscscan.com/address/0x8d79c8f4400fe68fd17040539fe5e1706c1f2850)
 * vLTC: [`0xAfc13BC065ABeE838540823431055D2ea52eBA52`](https://testnet.bscscan.com/address/0xAfc13BC065ABeE838540823431055D2ea52eBA52)
 * vMATIC: [`0x3619bdDc61189F33365CC572DF3a68FB3b316516`](https://testnet.bscscan.com/address/0x3619bdDc61189F33365CC572DF3a68FB3b316516)
 * vSXP: [`0x74469281310195A04840Daf6EdF576F559a3dE80`](https://testnet.bscscan.com/address/0x74469281310195A04840Daf6EdF576F559a3dE80)