Merge pull request 'docker-implementation' (#76) from docker-implementation into master

Reviewed-on: DAFLDev/DAFLMusic#76

.drone.yml

@@ -0,0 +1,10 @@
+kind: pipeline
+type: docker
+name: DAFLPipeline
+
+steps:
+- name: app-build
+  image: cirrusci/flutter:stable
+  commands:
+    - flutter doctor
+    - flutter build

README.md

@@ -1,2 +1,4 @@
+[![Build Status](https://codefirst.iut.uca.fr/api/badges/DAFLDev/DAFLMusic/status.svg)](https://codefirst.iut.uca.fr/DAFLDev/DAFLMusic)
+
 # DAFLMusic