feat(python_linting): added ci job, python linting, code quality and scoring

Added a job to lint python files and ouput a code quality report for gitlab MR.

A html report is also available within the artifacts. if the badge is used,
the badge links to the html code quality report.

 Changes to be committed:
	modified:   .gitlab-ci.yml
	new file:   python/.gitlab-ci.yml
	new file:   python/README.md
	new file:   python/requirements.txt

issue #1

.gitlab-ci.yml

@@ -12,6 +12,12 @@ include:
   - local: $JOB_ROOT_DIR/conventional_commits/.gitlab-ci.yml
   - local: $JOB_ROOT_DIR/git_push_mirror/.gitlab-ci.yml
   - local: $JOB_ROOT_DIR/gitlab_release/.gitlab-ci.yml
+  - local: $JOB_ROOT_DIR/python/.gitlab-ci.yml
+
+PyLint:
+    extends:
+        - .PyLint
+    image: python:3.6-slim
 
 
 gilab-ci.yml Lint (python 3.6):