add readme, schedule workflow, tag stuff

.github/workflows/crawl.yaml

@@ -4,6 +4,8 @@ on:
   workflow_dispatch:
   push:
     branches: ['main']
+  schedule:
+  - cron: '0 6 * * *' # Daily at 6 AM
 
 permissions:
   contents: write
@@ -20,12 +22,14 @@ jobs:
       with:
         install_components: alpha,beta
 
-    - run: ./crawl.sh
     - run: |
+        rm -r gcloud/
+        ./crawl.sh
         git config user.name "Automated"
         git config user.email "actions@users.noreply.github.com"
         git add -A
         timestamp=$(date -u)
         git commit -m "gcloud: ${timestamp}" || exit 0
-        git push
+        git tag $(gcloud version --format=json | jq -r '."Google Cloud SDK"')
+        git push --tags