Update pr-submission-welcome.txt

Author: Hamel Husain

.github/workflows/pr-submission-welcome.txt

@@ -1,3 +1,30 @@
+name: PR-Greeting
+on:
+  pull_request:
+    types: [opened, reopened]
+
+jobs:
+    build-site:
+        runs-on: ubuntu-latest
+        steps:
+        - name: Get token
+          id: get_token
+          uses: machine-learning-apps/actions-app-token@master
+          with:
+            APP_PEM: ${{ secrets.APP_PEM }}
+            APP_ID: ${{ secrets.APP_ID }}
+
+        - name: greeting
+          uses: actions/first-interaction@v1
+          with:
+            repo-token: ${{ steps.get_token.outputs.app_token }}
+            pr-message: "@${USER} Thank you for your benchmark submission!  Can you please tell us a little bit about your approach and how you trained your models etc?  What modifications, if any, did you make on the baseline models provided in this repository? Thanks!"
+
+
+
+
+
+
 name: Benchmark Greeting
 on: 
   pull_request: