Use correct tsconfig.json settings, remove cjs workaround, and install types for html-minifier-terser.

Author: roncli

package.json

@@ -29,6 +29,7 @@
         "@stylistic/eslint-plugin": "5.9.0",
         "@types/compression": "1.8.1",
         "@types/express": "5.0.6",
+        "@types/html-minifier-terser": "7.0.2",
         "@types/node": "25.3.3",
         "@types/jest": "30.0.0",
         "eslint-plugin-jsdoc": "62.7.1",

tsconfig.json

@@ -4,9 +4,9 @@
         "checkJs": true,
         "esModuleInterop": true,
         "lib": ["es2022"],
-        "module": "node16",
+        "module": "nodenext",
         "moduleDetection": "legacy",
-        "moduleResolution": "node16",
+        "moduleResolution": "nodenext",
         "outDir": "./.vscode/ts",
         "resolveJsonModule": true,
         "target": "es2022"