Create template to verify service email reply-to addresses

So that template with the same ID is present on all environments

migrations/versions/0294_add_verify_reply_to_.py

@@ -0,0 +1,82 @@
+"""
+
+Revision ID: 0294_add_verify_reply_to
+Revises: 0293_drop_complaint_fk
+Create Date: 2019-05-22 16:58:52.929661
+
+"""
+from datetime import datetime
+
+from alembic import op
+from flask import current_app
+
+
+revision = '0294_add_verify_reply_to'
+down_revision = '0293_drop_complaint_fk'
+
+email_template_id = "a42f1d17-9404-46d5-a647-d013bdfca3e1"
+
+
+def upgrade():
+    template_insert = """
+        INSERT INTO templates (id, name, template_type, created_at, content, archived, service_id, subject,
+        created_by_id, version, process_type, hidden)
+        VALUES ('{}', '{}', '{}', '{}', '{}', False, '{}', '{}', '{}', 1, '{}', false)
+    """
+    template_history_insert = """
+        INSERT INTO templates_history (id, name, template_type, created_at, content, archived, service_id, subject,
+        created_by_id, version, process_type, hidden)
+        VALUES ('{}', '{}', '{}', '{}', '{}', False, '{}', '{}', '{}', 1, '{}', false)
+    """
+
+    email_template_content = '\n'.join([
+        "Hi,",
+        "",
+        "This address has been provided as a reply-to email address for a GOV.​UK Notify account.",
+        "Any replies from users to emails they receive through GOV.​UK Notify will come back to this email address.",
+        "",
+        "This is just a quick check to make sure the address is valid.",
+        "",
+        "No need to reply.",
+        "",
+        "Thanks",
+        "",
+        "GOV.​UK Notify team",
+        "https://www.gov.uk/notify"
+    ])
+
+    email_template_name = "Verify email reply-to address for a service"
+    email_template_subject = 'Your GOV.UK Notify reply-to email address'
+
+    op.execute(
+        template_history_insert.format(
+            email_template_id,
+            email_template_name,
+            'email',
+            datetime.utcnow(),
+            email_template_content,
+            current_app.config['NOTIFY_SERVICE_ID'],
+            email_template_subject,
+            current_app.config['NOTIFY_USER_ID'],
+            'normal'
+        )
+    )
+
+    op.execute(
+        template_insert.format(
+            email_template_id,
+            email_template_name,
+            'email',
+            datetime.utcnow(),
+            email_template_content,
+            current_app.config['NOTIFY_SERVICE_ID'],
+            email_template_subject,
+            current_app.config['NOTIFY_USER_ID'],
+            'normal'
+        )
+    )
+
+
+def downgrade():
+    op.execute("DELETE FROM templates_history WHERE id = '{}'".format(email_template_id))
+    op.execute("DELETE FROM templates WHERE id = '{}'".format(email_template_id))