feat: launch four new services (#16)

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### Issue

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

### Dependencies

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

### Style

- [ ] I have run the linter and resolved any errors.
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### Tests

- [ ] My contribution adds new code, and I have added tests to cover it.
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Reviewed-on: #16
Co-authored-by: Naomi Carrigan <commits@nhcarrigan.com>
Co-committed-by: Naomi Carrigan <commits@nhcarrigan.com>

src/components/navigation.ts

@@ -27,6 +27,22 @@ export const navigation = [
         label: "Mentorship Programme Terms and Conditions",
         link: "/about/mentorship",
       },
+      {
+        label: "Development Review Policy",
+        link: "/about/development-reviews",
+      },
+      {
+        label: "Mock Interview Policy",
+        link: "/about/mock-interviews",
+      },
+      {
+        label: "Portfolio Review Policy",
+        link: "/about/portfolio-reviews",
+      },
+      {
+        label: "Letter of Recommendation and Character Reference Policy",
+        link: "/about/recommendations",
+      },
     ].sort((a, b) => a.label.localeCompare(b.label)),
   },
   {