Re-order nav links, update download box to include shapefiles, squish pages (#1538)

* Re-order nav links, update download box to include shapefiles, squishy pages (#1536)

* Add dropdown to navigation links

- add download page
- move main pages tests to their own folder
- add download and public eng snapshot test
- remove public engagement button on each page
- swap index with cejst
- update cypress ENDPOINTS
- upate gatsby-config sitemap
- update snapshots
- cypress tests are failing

* Make all page endpoints constants

- fix all cypress tests
- refactor all test to use LegacyTests/constants/PAGES_ENDPOINTS
- gatsby-config to use PAGES_ENDPOINTS
- remove ScoreStepList component
- update J40Header to use constants.PAGES_ENDPOINTS
- update snapshots
- there are 3 locations to update PAGES_ENDPOINTS, namely

1. LegacyTests/constants.tsx
2. constants.tsx
3. gatsby-config

* Add two placeholder pages

- FAQs
- TSD

* remove dropdown from navigation menu

- remove dropdown from gherkin tests
- update snapshots

* Add back public engagement button to all pages

- add send button in area detail alt tag to i18n
- modify public engagement button to have same CSS as send feedback button
- update snapshots

* Update download box to include shapefile downloads

- refator download packet scss
- add shapefile URL to .env files
- update tests
- index forwarding pattern
- update snapshots

* Add FAQ link to About page

* Update footer

- add PEC
- add RFI
- add github link

* Update the staging link URL and title

* Update download Box to match design sync

- update FAQ link copy

* Add comment for reason of commented code

client/cypress/integration/LegacyTests/mapZoomTerritories.spec.js

@@ -1,5 +1,7 @@
 // / <reference types="Cypress" />
 
+import {PAGES_ENDPOINTS} from './constants';
+
 describe('Will it zoom into territories correctly?',
     {
       retries: {
@@ -16,7 +18,7 @@ describe('Will it zoom into territories correctly?',
     () => {
       beforeEach(() => {
         cy.viewport('macbook-13');
-        cy.visit('http://localhost:8000/en/cejst');
+        cy.visit(PAGES_ENDPOINTS.EXPLORE);
       });
 
       // The below values all assume a 13-inch MB as set in viewport above.