feat(landing): integrate campaign and early intervention pages

www/package.json

@@ -22,6 +22,8 @@
     "test:publication": "node --experimental-strip-types --test tools/publication.test.mjs",
     "test:seo": "node --experimental-strip-types --test tools/seo.test.mjs",
     "test:library": "node --experimental-strip-types --test tools/library.test.mjs",
+    "test:campaign": "node --test tools/campaign.test.mjs",
+    "verify:campaign": "node tools/campaign-browser.mjs",
     "generate:sitemap": "node tools/generate-sitemap.mjs",
     "generate:redirects": "node tools/generate-redirects.mjs"
   },