Add ts declaration file generation

packages/web3.js-plugin-fee-estimation/package.json

@@ -12,13 +12,13 @@
   "type": "module",
   "main": "dist/plugin.js",
   "module": "dist/plugin.mjs",
-  "types": "src/plugin.ts",
+  "types": "dist/plugin.d.ts",
   "files": [
     "dist/",
     "src/"
   ],
   "scripts": {
-    "build": "tsup",
+    "build": "tsup --dts",
     "lint": "prettier --check .",
     "lint:fix": "prettier --write .",
     "test": "vitest --coverage",

packages/web3.js-plugin-fee-estimation/tsconfig.json

@@ -9,7 +9,6 @@
     "module": "esnext",
     "moduleResolution": "Node",
     "isolatedModules": true,
-    "incremental": true,
     "allowUnreachableCode": false,
     "skipLibCheck": false,
     "allowUnusedLabels": false,