chore: add responded and stale issue/pr workflows (#225)

Signed-off-by: Charles Moore <122481442+moorec-aws@users.noreply.github.com>

Author: moorec-aws

.github/workflows/responded.yml

@@ -0,0 +1,8 @@
+name: Contributor Responded
+on:
+  issue_comment:
+    types: [created, edited]
+
+jobs:
+  check-for-response:
+    uses: OpenJobDescription/.github/.github/workflows/reusable_responded.yml@mainline

.github/workflows/stale_prs_and_issues.yml

@@ -0,0 +1,9 @@
+name: 'Check stale issues/PRs.'
+on: 
+  schedule:
+    # Run every hour on the hour
+    - cron: '0 * * * *'
+
+jobs:
+  check-for-stales:
+    uses: OpenJobDescription/.github/.github/workflows/reusable_stale_prs_and_issues.yml@mainline