Add github workflow for module

Author: jarzbek

.github/CODEOWNERS

@@ -0,0 +1,6 @@
+# These owners will be the default owners for everything in
+# the repo. Unless a later match takes precedence,
+# @taskrabbit/devops will be requested for
+# review when someone opens a pull request.
+
+* @taskrabbit/devops

.github/PULL_REQUEST_TEMPLATE.md

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+## Description
+<!-- Provide a general summary and/or description of the changes in this section -->
+
+## Changes
+<!-- Provide a list of more specific details made to the application or specific files -->
+
+## Ticket
+<!-- Include a link to the Jira ticket here -->

.github/workflows/terraform-module.yaml

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+---
+name: Terraform Module
+on:
+  push: {}
+  workflow_dispatch: {}
+
+jobs:
+  publish-module:
+    uses: taskrabbit/github_workflows/.github/workflows/terraform-module.yaml@main
+    with:
+      namespace: taskrabbit
+      system: aws
+      name: "asg" # This is required to be updated by the downstream repository.
+      module_directory: ./group