Added Greetings Workflow

.github/workflows/greetings.yml

@@ -0,0 +1,44 @@
+name: Greetings
+
+on: [pull_request, issues]
+
+jobs:
+  greeting:
+    runs-on: ubuntu-latest
+    steps:
+    - uses: actions/first-interaction@v1
+      with:
+        repo-token: ${{ secrets.GITHUB_TOKEN }}
+        issue-message: |-
+          Hello!
+          
+          Welcome to the Bicask project! Someone will respond to your issue pretty quickly,
+          the author is pretty responsive 😀 In the meantime; please make sure you have read
+          the [Contributing](https://github.com/prologic/bitcask/blob/master/CONTRIBUTING.md)
+          and [Code of Conduct](https://github.com/prologic/bitcask/blob/master/CODE_OF_CONDUCT.md)
+          documents.
+          
+          if possible please also make sure your Bug Report or Feature Request is clearly defined
+          with either examples or a reprodicible case (_if a bug_).
+          
+          Thank you 😃
+        pr-message: |-
+          Hello!
+          
+          Welcome to the Bicask project!
+          
+          Thank you for your Pull Request and Contribution! We highly value all contributions to this Project!
+          Your Pull Request will be reviewed shortly! The author is pretty responsive 😀
+           In the meantime; please make sure you have read
+          the [Contributing](https://github.com/prologic/bitcask/blob/master/CONTRIBUTING.md)
+          and [Code of Conduct](https://github.com/prologic/bitcask/blob/master/CODE_OF_CONDUCT.md)
+          documents.
+          
+          Please also ensure that your PR passes all the CI/CD tests -- They will appear in your PR
+          towards the bottom just above the comment box.
+          
+          Also in addition, if you haven't already; please ammend your PR by modifying the
+          [AUTHORS](https://github.com/prologic/bitcask/blob/master/AUTHORS) file and adding
+          yourself to it! We like to recognize and peserve in Git history all contributors!
+          
+          Thank you 😃