Create greetings.yml

added greeting workflow for first time contributors :)

Author: monilpat

.github/workflows/greetings.yml

@@ -0,0 +1,17 @@
+name: Greetings
+
+on: [pull_request_target, 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 }}! Welcome to the ai16z community. Thank you for opening your first issue; we appreciate your contribution. You are now a ai16z partner!"
+        pr-message: "Hi @${{ github.actor }}! Welcome to the ai16z community. Thanks for submitting your first pull request; your efforts are helping us accelerate towards AGI. We'll review it shortly. You are now a ai16z partner!"
+