add make target export directory step to deploy workflow

Signed-off-by: Michael Valdron <mvaldron@redhat.com>

Author: michael-valdron

.github/workflows/deploy.yaml

@@ -13,6 +13,9 @@ jobs:
     steps:
       - uses: actions/checkout@34e114876b0b11c390a56381ad16ebd13914f8d5 # v4.3.1
 
+      - name: Make target export directory
+        run: mkdir -p public/
+
       ## TODO: Add site build and export steps here, target public/ for export directory
 
       - name: Copy CNAME