feat(core, tests): add standalone getStatistics function and improve storage configuration

- **Core**: Introduced a new `getStatistics` utility function in `statistics.ts` for fetching database statistics at the root level of the library. Enhanced `BrainyData` methods to ensure metadata includes `id` field and refined statistics calculations, excluding verbs from the noun count.
- **Tests**: Added comprehensive test coverage in `statistics.test.ts` for the new utility function, validating proper error handling, statistics accuracy, and consistent results between instance methods and standalone function.
- **Storage Config**: Enabled dynamic support for AWS S3, Cloudflare R2, and Google Cloud Storage in web service configuration, utilizing environment variables for adapter setup. Addressed a race condition in `FileSystemStorage` initialization by deferring path module imports.

**Purpose**: Enhance database analytics by introducing a reusable `getStatistics` function, improve flexibility in storage configuration, and ensure robust testing for reliability and accuracy.

web-service-package/package-lock.json

@@ -2654,16 +2654,6 @@
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-      "license": "Apache-2.0",
-      "peer": true,
-      "peerDependencies": {
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     "node_modules/@tensorflow/tfjs-core": {
       "version": "4.22.0",
       "resolved": "https://registry.npmjs.org/@tensorflow/tfjs-core/-/tfjs-core-4.22.0.tgz",