Welcome new issues and pull requests with a community comment (#232)

Calls the shared VocaHQ/.github workflow so the copy lives in one place.

Author: jatinkrmalik

.github/workflows/issue-welcome.yml

@@ -0,0 +1,16 @@
+name: Welcome
+
+on:
+  issues:
+    types: [opened]
+  pull_request_target:
+    types: [opened]
+
+permissions:
+  contents: read
+  issues: write
+  pull-requests: write
+
+jobs:
+  welcome:
+    uses: VocaHQ/.github/.github/workflows/issue-welcome.yml@main