Recreate CNAME after clearing docs repos

Previously workflows were removing all repo contents before copying new docs, so CNAME must be recreated each time to ensure github pages domain mapping works.

Author: Andrej730

.github/workflows/bonsai-docs.yml

@@ -20,6 +20,7 @@ jobs:
           git config --global user.email 'IfcOpenBot@users.noreply.github.com'
           git clone https://${{ secrets.GH_APIKEY }}@github.com/IfcOpenShell/bonsaibim_org_docs
           rm -rf bonsaibim_org_docs/*
+          printf "docs.bonsaibim.org\n" > bonsaibim_org_docs/CNAME
           cp -r _build/html/* bonsaibim_org_docs/
           touch bonsaibim_org_docs/.nojekyll
           git -C bonsaibim_org_docs add .

.github/workflows/ifcopenshell-docs.yml

@@ -21,6 +21,7 @@ jobs:
           git config --global user.email 'IfcOpenBot@users.noreply.github.com'
           git clone https://${{ secrets.GH_APIKEY }}@github.com/IfcOpenShell/ifcopenshell_org_docs
           rm -rf ifcopenshell_org_docs/*
+          printf "docs.ifcopenshell.org\n" > ifcopenshell_org_docs/CNAME
           cp -r _build/html/* ifcopenshell_org_docs/
           touch ifcopenshell_org_docs/.nojekyll
           git -C ifcopenshell_org_docs add .