add duckswap adapter (DefiLlama#12943)

Author: waynebruce0x

projects/duckswap/index.js

@@ -0,0 +1,10 @@
+const { iziswapExport } = require('../helper/iziswap')
+
+const poolHelpers = {
+  'duckchain': ['0x19b683A2F45012318d9B2aE1280d68d3eC54D663'],
+} // liquidityManager contracts
+
+
+Object.keys(poolHelpers).forEach(chain => {
+  module.exports[chain] = { tvl: iziswapExport({ poolHelpers: poolHelpers[chain], }), }
+})