add Bash.gitlab-ci.yml

Add super simple Bash demo that just echos out some basic details. Good for people just getting started with CI that want to see something that works right out of the box. Working version running at https://gitlab.com/bbodenmiller/bash-ci-demo.

Bash.gitlab-ci.yml

+# see https://docs.gitlab.com/ce/ci/yaml/README.html for all available options
+
+# you can delete this line if you're not using Docker
+image: busybox:latest
+
+before_script:
+   - echo "Before script section"
+   - echo "For example you might run an update here or install a build dependency"
+   - echo "Or perhaps you might print out some debugging details"
+   
+after_script:
+  - echo "After script section"
+  - echo "For example you might do some cleanup here"
+   
+build1:
+ stage: build
+ script:
+   - echo "Do your build here"
+   
+test1:
+ stage: test
+ script: 
+   - echo "Do a test here"
+   - echo "For example run a test suite"
+   
+test2:
+ stage: test
+ script: 
+   - echo "Do another parallel test here"
+   - echo "For example run a lint test"
+   
+deploy1:
+ stage: deploy
+ script:
+   - echo "Do your deploy here"
\ No newline at end of file