doc: change the project pitch sentence

README.md

 # GitLab CI template for Docker
 
-This project implements a generic GitLab CI template [Docker](https://www.docker.com/) based projects.
+This project implements a GitLab CI/CD template to build, check and inspect your containers with [Docker](https://www.docker.com/).
 
 ## Usage
 

kicker.json

 {
   "name": "Docker",
-  "description": "Check, build, test, audit and publish a [Docker](https://www.docker.com/) image",
+  "description": "Build, check and inspect your containers with [Docker](https://www.docker.com/)",
   "template_path": "templates/gitlab-ci-docker.yml",
   "kind": "package",
   "variables": [