Adding export_editorials endpoint for vertical stories

Adding the correct branch to checkout with for workflow

.github/workflows/ci.yml

@@ -10,11 +10,16 @@ jobs:
     runs-on: ubuntu-latest
     steps:
       - uses: actions/checkout@v2
+        with:
+          ref: ${{ github.head_ref }}
       - uses: actions/setup-node@v2-beta
         with:
           node-version: '12'
 
       - run: npm install
       - run: npm test
+        env:
+          CI: true
       - run: npm run lint
-
+        env:
+          CI: true

src/datasheet.config.js

@@ -1 +0,0 @@
-CONFIG=../configs/timemap/grenfell/datasheet.config.js

src/lib.js

@@ -6,6 +6,7 @@ function prefixedTabs (prefix, cfg) {
   return {
     [`${prf('events')}export_events`]: BP.deeprows,
     [`${prf('associations')}export_associations`]: BP.deeprows,
+    [`${prf('editorials')}export_editorials`]: BP.deeprows,
     [`${prf('sources')}export_sources`]: BP.deepids,
     [`${prf('sites')}export_sites`]: BP.rows
   }