chore: delete internal type definitions from package

Author: boblat

package.json

@@ -15,8 +15,9 @@
     "build:1-lint": "eslint \"src/**/*.ts\" \"tests/**/*.ts\" --max-warnings 0",
     "build:2-check-types": "tsc -p tsconfig.json",
     "build:3-build": "rollup -c --configPlugin typescript",
-    "build:4-copy-pkg-json": "tstk copy-package-json -c",
-    "build:5-copy-readme": "copyfiles ./README.md ./dist",
+    "build:4-remove-internal-types": "rimraf dist/impl/**/*.d.ts dist/internal/*.d.ts -g",
+    "build:5-copy-pkg-json": "tstk copy-package-json -c",
+    "build:6-copy-readme": "copyfiles ./README.md ./dist",
     "watch": "rollup -c -w --configPlugin typescript",
     "test": "vitest run",
     "test:coverage": "vitest run --coverage",