Add Action to periodically generate list of community contributors (#84)

Add an Action to periodically scrape GitHub API for community contributors, update the list of contributors, and PR any changes

.github/workflows/periodic-scrape.yaml

@@ -0,0 +1,42 @@
+name: Periodically scrape repos
+
+on:
+  workflow_dispatch: # Manual run
+  schedule:
+  - cron: '0 0 * * 0'
+
+jobs:
+  scrape:
+    runs-on: ubuntu-latest
+    steps:
+    - name: Checkout repo
+      uses: actions/checkout@v4
+
+    - name: Install depenencies
+      run: pip install requests
+
+    - name: Run Python script for scraping
+      run: |
+        cd scripts
+        python scrape-for-contributors.py
+
+    - name: Check for changes
+      id: git_diff
+      run: |
+        git config --global user.name 'github-actions[bot]'
+        git config --global user.email 'github-actions[bot]@users.noreply.github.com'
+        git add .
+        if git diff-index --quiet HEAD; then
+          echo "changes=false" >> $GITHUB_OUTPUT
+        else
+          echo "changes=true" >> $GITHUB_OUTPUT
+        fi
+
+    - name: Create Pull Request
+      if: ${{ steps.git_diff.outputs.changes == 'true' }}
+      uses: peter-evans/create-pull-request@v6
+      with:
+        commit-message: "Update community contributors list"
+        branch: automated/update-community-contributes
+        title: "Update community contributors list"
+        body: "Updates the list of community contributors"