feat: document all products, write tests (#12)

### Explanation

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### Issue

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### Attestations

- [x] I have read and agree to the [Code of Conduct](https://docs.nhcarrigan.com/community/coc/)
- [x] I have read and agree to the [Community Guidelines](https://docs.nhcarrigan.com/community/guide/).
- [x] My contribution complies with the [Contributor Covenant](https://docs.nhcarrigan.com/dev/covenant/).

### Dependencies

- [x] I have pinned the dependencies to a specific patch version.

### Style

- [x] I have run the linter and resolved any errors.
- [x] My pull request uses an appropriate title, matching the conventional commit standards.
- [x] My scope of feat/fix/chore/etc. correctly matches the nature of changes in my pull request.

### Tests

- [x] My contribution adds new code, and I have added tests to cover it.
- [x] My contribution modifies existing code, and I have updated the tests to reflect these changes.
- [x] All new and existing tests pass locally with my changes.
- [x] Code coverage remains at or above the configured threshold.

### Documentation

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### Versioning

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Reviewed-on: #12
Co-authored-by: Naomi Carrigan <commits@nhcarrigan.com>
Co-committed-by: Naomi Carrigan <commits@nhcarrigan.com>

package.json

@@ -9,18 +9,19 @@
     "build": "astro build",
     "preview": "astro preview",
     "astro": "astro",
-    "scan": "SONAR_TOKEN='op://Environment Variables - Development/SonarCloud/docs' op run -- sonar-scanner -Dsonar.organization=nhcarrigan -Dsonar.projectKey=nhcarrigan_docs -Dsonar.sources=. -Dsonar.host.url=https://sonarcloud.io",
-    "test": "echo 'No tests yet!' && exit 0"
+    "test": "vitest --run"
   },
   "dependencies": {
-    "@astrojs/check": "^0.9.4",
-    "@astrojs/starlight": "^0.32.0",
-    "astro": "^5.3.0",
-    "astro-mermaid": "1.0.4",
-    "mermaid": "11.11.0",
-    "typescript": "^5.7.3"
+    "@astrojs/check": "0.9.5",
+    "@astrojs/starlight": "0.36.1",
+    "astro": "5.15.2",
+    "astro-mermaid": "1.1.0",
+    "mermaid": "11.12.1",
+    "typescript": "5.9.3"
   },
   "devDependencies": {
-    "cspell": "8.17.3"
+    "cspell": "9.2.2",
+    "gray-matter": "4.0.3",
+    "vitest": "4.0.5"
   }
 }