Add npm and pnpm workspace example #3746

Reference: #3746
Signed-off-by: Ayan Sinha Mahapatra <ayansmahapatra@gmail.com>

tests/packagedcode/data/npm/pnpm/workspace/pnpm-workspace.yaml

@@ -0,0 +1,9 @@
+packages:
+  - 'packages/*'
+  - 'examples/ecmascript'
+  - 'examples/es-module'
+  - 'examples/markdown'
+  - 'examples/indentation-sensitive'
+  - 'examples/operators'
+  - 'examples/simple-lisp'
+  - 'examples/typescript'

tests/packagedcode/data/npm/pnpm/workspace/pnpm-workspace.yaml-expected.json

@@ -0,0 +1,56 @@
+[
+  {
+    "type": "npm",
+    "namespace": null,
+    "name": null,
+    "version": null,
+    "qualifiers": {},
+    "subpath": null,
+    "primary_language": "JavaScript",
+    "description": null,
+    "release_date": null,
+    "parties": [],
+    "keywords": [],
+    "homepage_url": null,
+    "download_url": null,
+    "size": null,
+    "sha1": null,
+    "md5": null,
+    "sha256": null,
+    "sha512": null,
+    "bug_tracking_url": null,
+    "code_view_url": null,
+    "vcs_url": null,
+    "copyright": null,
+    "holder": null,
+    "declared_license_expression": null,
+    "declared_license_expression_spdx": null,
+    "license_detections": [],
+    "other_license_expression": null,
+    "other_license_expression_spdx": null,
+    "other_license_detections": [],
+    "extracted_license_statement": null,
+    "notice_text": null,
+    "source_packages": [],
+    "file_references": [],
+    "is_private": false,
+    "extra_data": {
+      "workspaces": [
+        "packages/*",
+        "examples/ecmascript",
+        "examples/es-module",
+        "examples/markdown",
+        "examples/indentation-sensitive",
+        "examples/operators",
+        "examples/simple-lisp",
+        "examples/typescript"
+      ]
+    },
+    "dependencies": [],
+    "repository_homepage_url": null,
+    "repository_download_url": null,
+    "api_data_url": null,
+    "datasource_id": "pnpm_workspace_yaml",
+    "purl": null
+  }
+]