message: perf(build): explicit typings loading
  improves cold build time from 90s -> 60s on my machine.
diff: "node_modules/@types",
  "typings"
  ], /* List of folders to include type definitions from. */
  - // "types": [], /* Type declaration files to be included in compilation. */
  + "types": [
  + "node",
  + "mocha",
  + "externals",
  + ], /* Type declaration files to be included in compilation. */
  // "allowSyntheticDefaultImports": true, /* Allow default imports from modules with no default export. This does not affect code emit, just typechecking. */
  "esModuleInterop": true, /* Enables emit interoperability between CommonJS and ES Modules via creation of namespace objects for all imports. Implies 'allowSyntheticDefaultImports'. */
  // "preserveSymlinks": true, /* Do not resolve the real path of symlinks. */
  