add documentation

.gitlab-ci.yml

 stages:
   - build
   - start
+  - stop
+  - uninstall
 
 build-jekyll:
   stage: build
@@ -15,7 +17,7 @@ build-jekyll:
     - docker-compose down
     - docker-compose build
 
-restart-jekyll:
+start-jekyll:
   stage: start
   tags:
     - FairCoin.Co
@@ -29,3 +31,28 @@ restart-jekyll:
   script:
     - docker-compose stop
     - docker-compose up -d
+
+stop-jekyll:
+  stage: stop
+  tags:
+    - FairCoin.Co
+  only:
+    refs:
+      - master
+    variables:
+      - $CMD =~ /stop/
+  script:
+    - docker-compose stop
+
+uninstall-jekyll:
+  stage: uninstall
+  tags:
+    - FairCoin.Co
+  only:
+    refs:
+      - master
+    variables:
+      - $CMD =~ /uninstall/
+  script:
+    - docker-compose stop
+    - docker-compose down

README.md

@@ -4,8 +4,19 @@ Follow the pulse of FairCoin!
 
 Live and static faircoin numbers.
 
-## Installation
+The service is made for/controlled by gitlab runner.
+
+## Usage
+
+Go into gitlab **CI/CD** -> **Pipeline** and **Run Pipeline**
+
+Enter variable name **CMD**
+
+#### CMD - commands
 
 ~~~
-docker-compose up
+build        # build container ( changes of Dockerfile )
+start        # start container ( changes of scripts )
+stop         # stop container
+uninstall    # remove container
 ~~~