[KYUUBI #1723] Create greetings.yml

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### _Why are the changes needed?_
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### _How was this patch tested?_
- [ ] Add some test cases that check the changes thoroughly including negative and positive cases if possible

- [ ] Add screenshots for manual tests if appropriate

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Closes #1723 from yaooqinn/yaooqinn-patch-1.

Closes #1723

ee49ffd [Kent Yao] Create greetings.yml

Authored-by: Kent Yao <yao@apache.org>
Signed-off-by: Kent Yao <yao@apache.org>

Author: yaooqinn

.github/workflows/greetings.yml

@@ -0,0 +1,23 @@
+name: Greetings
+
+on: [pull_request, issues]
+
+jobs:
+  greeting:
+    runs-on: ubuntu-latest
+    permissions:
+      issues: write
+      pull-requests: write
+    steps:
+    - uses: actions/first-interaction@v1
+      with:
+        repo-token: ${{ secrets.GITHUB_TOKEN }}
+        issue-message: |
+          Hello @${{ github.actor }},
+          Thanks for finding the time to report the issue!
+          We really appreciate the community's efforts to improve Apache Kyuubi (Incubating).
+        pr-message: |
+          Hello @${{ github.actor }},
+          Thanks for finding the time to submit the Pull request, the Kyuubi community thanks you！
+          We really appreciate the community's efforts to improve Apache Kyuubi (Incubating).
+          If you are new to Apache Kyuubi for code changes, please take some time to read our [contributing guide](https://kyuubi.apache.org/contributing.html).