Feat gl cicd var scripts

Closes #232 (closed)

scripts/README.md

+**Prerequisites**
+python -m venv ~/venvs/gitlab
+source ~/venvs/gitlab/bin/activate
+pip install -r requirements
+
+**Clone the repo**
+git clone -b feat-gl-cicd-var-scripts --single-branch https://gitlab.rc.uab.edu/atlurie/hpc-factory.git tmp-hpc-factory
+cd tmp-hpc-factory/scripts
+mv gitlab.ini.example gitlab.ini
+
+Make changes to the gitlab.ini as you require.
+[Create a personal access token](https://docs.gitlab.com/user/profile/personal_access_tokens/) via the gitlab UI and copy it to the private_token field in gitlab.ini file
+
+**Usage**
+> Create an empty schedule pipeline before you try this out.
+```
+python3 gitlab-ci-vars-reader.py --config_file gitlab.ini --project_id <PROJECT_ID> --sched_pipeline_id <PIPELINE_ID> --var_file ci-variables.json
+
+python3 gitlab-ci-vars-updater.py --config_file gitlab.ini --project_id <PROJECT_ID> --sched_pipeline_id <NEW-PIPELINE_ID> --var_file ci-variables.json
+```