Please note that the REST interface is only available when you have at least version 1.3.0 of the plug-in installed.
/rest/templates4stash/1.0/projects/{projectKey}/settings
GET /rest/templates4stash/1.0/projects/PROJECT_1/settings
PUT /rest/templates4stash/1.0/projects/PROJECT_1/settings
/rest/templates4stash/1.0/projects/{projectKey}/repos/{repoSlug}/template
GET /rest/templates4stash/1.0/projects/PROJECT_KEY/repos/REPO_SLUG/settings
PUT /rest/templates4stash/1.0/projects/PROJECT_KEY/repos/REPO_SLUG/settings