Added gitstream workflow

.github/workflows/gitstream.yaml

@@ -0,0 +1,49 @@
+# Code generated by gitStream GitHub app - DO NOT EDIT
+
+name: gitStream workflow automation
+run-name: |
+  /:\ gitStream: PR #${{ fromJSON(fromJSON(github.event.inputs.client_payload)).pullRequestNumber }} from ${{ github.event.inputs.full_repository }}
+
+on:
+  workflow_dispatch:
+    inputs:
+      client_payload:
+        description: The Client payload
+        required: true
+      full_repository:
+        description: the repository name include the owner in `owner/repo_name` format
+        required: true
+      head_ref:
+        description: the head sha
+        required: true
+      base_ref:
+        description: the base ref
+        required: true
+      installation_id:
+        description: the installation id
+        required: false
+      resolver_url:
+        description: the resolver url to pass results to
+        required: true
+      resolver_token:
+        description: Optional resolver token for resolver service
+        required: false
+        default: ''
+
+jobs:
+  gitStream:
+    timeout-minutes: 5
+    runs-on: ubuntu-latest
+    name: gitStream workflow automation
+    steps:
+      - name: Evaluate Rules
+        uses: linear-b/gitstream-github-action@v1
+        id: rules-engine
+        with:
+          full_repository: ${{ github.event.inputs.full_repository }}
+          head_ref: ${{ github.event.inputs.head_ref }}
+          base_ref: ${{ github.event.inputs.base_ref }}
+          client_payload: ${{ github.event.inputs.client_payload }}
+          installation_id: ${{ github.event.inputs.installation_id }}
+          resolver_url: ${{ github.event.inputs.resolver_url }}
+          resolver_token: ${{ github.event.inputs.resolver_token }}