feat(CI_workflow): Add PR & Issue auto remove workflow (#184)

* feat(ci_workflow): Add PR & Issue auto remove workflow

Add a workflow for stale PR & Issue  auto remove
- pr & issue well be labeled as stale for inactive in 7 days
- staled PR & Issue  well be remove in 7 days
- run this workflow every day on 1:30 a.m.

* Update stale.yml

.github/workflows/stale.yml

@@ -0,0 +1,32 @@
+name: 'Close stale issues and PRs'
+
+on:
+  schedule:
+    # check issue and pull request once at 01:30 a.m. every day
+    - cron: '30 1 * * *'
+
+permissions:
+  contents: read
+
+jobs:
+  stale:
+    permissions:
+      issues: write
+      pull-requests: write
+    runs-on: ubuntu-latest
+    steps:
+      - uses: actions/stale@v7
+        with:
+          stale-issue-message: 'This issue is marked as stale because it has been marked as invalid or awaiting response for 7 days without any further response. It will be closed in 7 days if the stale label is not removed or if there is no further response.'
+          stale-pr-message: 'This PR is marked as stale because there has been no activity in the past 7 days. It will be closed in 7 days if the stale label is not removed or if there is no further updates.'
+          close-issue-message: 'This issue is closed because it has been stale for 7 days. Please open a new issue if you have similar issues or you have any new updates now.'
+          close-pr-message: 'This PR is closed because it has been stale for 7 days. Please reopen this PR if you have any updates and want to keep contributing the code.'
+          # Labels on issues exempted from stale
+          exempt-issue-labels: "enhancement,planned"
+          days-before-issue-stale: 7
+          days-before-pr-stale: 7
+          days-before-issue-close: 7
+          days-before-pr-close: 7
+          # automatically remove the stale label when the issues or the pull requests are updated or commented
+          remove-stale-when-updated: true
+          operations-per-run: 50