Layout improvements

* Uses [Two-row navigation with overlap](https://tailwindui.com/components/application-ui/application-shells/stacked#component-d3429709d7862763cc93bbc60777c0fe) example layout from [Tailwind UI](https://tailwindui.com/)
* Imports correct logos
* Adds brand colors to Tailwind config
* Uses brand colors for header components

Author: mscottford

package-lock.json

@@ -24,6 +24,9 @@
     "tailwindcss": "^3.3.0"
   },
   "devDependencies": {
+    "@headlessui/react": "^1.7.14",
+    "@heroicons/react": "^2.0.17",
+    "@tailwindcss/forms": "^0.5.3",
     "eslint": "8.26.0",
     "eslint-config-next": "13.0.2",
     "prettier": "^2.8.7",