Migrate from Travis CI to GitLab CI.

.gitlab-ci.yml

+---
+test:
+  image: buildpack-deps:bullseye
+  before_script:
+    - apt-get update
+    - apt-get install -y sharutils bats
+  script:
+    - bats .

.travis.yml

----
-language: c
-dist: trusty
-sudo: false
-group: beta
-
-addons:
-  apt:
-    packages:
-      - sharutils
-
-script:
-  - bats .
-
-notifications:
-  email: false
-  on_failure: never

README.md

 # Bundle
 
-[![Build Status](https://travis-ci.org/adarnimrod/bundle.svg?branch=master)](https://travis-ci.org/adarnimrod/bundle)
+[![pipeline status](https://git.shore.co.il/nimrod/bundle/badges/master/pipeline.svg)](https://git.shore.co.il/nimrod/bundle/-/commits/master) 
 
 > Bundle a binary file into a shell script.
 
@@ -16,4 +16,4 @@ This software is licensed under the MIT license (see `LICENSE.txt`).
 Nimrod Adar, [contact me](mailto:nimrod@shore.co.il) or visit my [website](
 https://www.shore.co.il/). Patches are welcome via [`git send-email`](
 http://git-scm.com/book/en/v2/Git-Commands-Email). The repository is located
-at: <https://www.shore.co.il/git/>.
+at: <https://git.shore.co.il/explore/>.