feat(DX): init commit

.gitignore

.idea/.gitignore

.idea/compiler.xml

.idea/deploymentTargetSelector.xml

.idea/gradle.xml

.idea/migrations.xml

.idea/misc.xml

.idea/other.xml

.idea/vcs.xml

app/.gitignore

app/build.gradle

app/proguard-rules.pro

...tlantique/myfirstapplication/ExampleInstrumentedTest.java

app/src/main/AndroidManifest.xml

...va/fr/imt_atlantique/myfirstapplication/MainActivity.java

app/src/main/res/drawable/ic_launcher_background.xml

app/src/main/res/drawable/ic_launcher_foreground.xml

app/src/main/res/layout/activity_main.xml

app/src/main/res/mipmap-anydpi-v26/ic_launcher.xml

app/src/main/res/mipmap-anydpi-v26/ic_launcher_round.xml