Adding Rootstock Integration Tests workflow

.github/workflows/rit.yml

@@ -0,0 +1,49 @@
+name: Rootstock Integration Tests
+
+on:
+  pull_request:
+    types:
+      - opened
+      - reopened
+      - synchronize
+    branches:
+      - "master"
+      - "*-rc"
+  issue_comment:
+    types:
+      - created
+      - edited
+
+jobs:
+  rootstock-integration-tests:
+    name: Rootstock Integration Tests
+    runs-on: ubuntu-latest
+    timeout-minutes: 60
+    steps:
+      - name: Check out the code
+        uses: actions/checkout@v4
+
+      - name: Get PR Description
+        id: get-pr
+        if: github.event_name == 'pull_request'
+        run: |
+          PR_DESC=$(curl -s -H "Authorization: token ${{ secrets.GITHUB_TOKEN }}" \
+            "https://api.github.com/repos/${{ github.repository }}/issues/${{ github.event.pull_request.number }}" \
+            | jq -r '.body')
+          echo "PR_DESC=$PR_DESC" >> $GITHUB_ENV
+
+      - name: Parse Branches from PR Description
+        id: parse-branches
+        if: github.event_name == 'pull_request'
+        run: |
+          echo "rskj-branch=$(echo "$PR_DESC" | grep -oP 'rskj:\K\w+')" >> $GITHUB_ENV
+          echo "powpeg-node-branch=$(echo "$PR_DESC" | grep -oP 'powpeg-node:\K\w+')" >> $GITHUB_ENV
+
+      - name: Test execution
+        if: |
+          (github.event_name == 'issue_comment' && contains(github.event.comment.body, '/pipeline:run')) ||
+          (github.event_name == 'pull_request')
+        uses: rsksmart/rootstock-integration-tests@v1
+        with:
+          rskj-branch: ${{ env.rskj-branch || github.head_ref || 'master' }}
+          powpeg-node-branch: ${{ env.powpeg-node-branch || 'master' }}