cron job to make sure weird projects havent been added

.github/workflows/check_multimatch.yaml

@@ -0,0 +1,40 @@
+on:
+  workflow_dispatch:
+  schedule:
+    - cron: '0 5 * * *'
+
+name: Check multiple ACT-OTN matches
+
+jobs:
+  check_it:
+    runs-on: ubuntu-latest
+    env:
+      GITHUB_PAT: ${{ secrets.GITHUB_TOKEN }}
+      MATOS_USER: ${{ secrets.MATOS_USERNAME }}
+      MATOS_PASS: ${{ secrets.MATOS_PASSWORD }}
+
+    steps:
+      - name: Check out GH repository
+        uses: actions/checkout@v4
+
+      - name: Set up R
+        uses: r-lib/actions/setup-r@v2
+        with:
+          use-public-rspm: true
+
+      - name: Install packages
+        uses: r-lib/actions/setup-r-dependencies@v2
+        with:
+          extra-packages: any::testthat
+
+      - name: Check test-list_projects
+        shell: Rscript {0}
+        run: |
+          testthat::test_file('tests/testthat/test-list_projects.R')
+
+      - name: Show testthat output
+        if: always()
+        run: |
+          ## --------------------------------------------------------------------
+          find ${{ runner.temp }}/package -name 'testthat.Rout*' -exec cat '{}' \; || true
+        shell: bash