Add Drone (#1)

Change deploy criteria

Add Drone

Reviewed-on: https://git.etztech.xyz/Etzelia/javacord/pulls/1

.drone.yml

@@ -0,0 +1,41 @@
+---
+kind: pipeline
+name: compliance
+
+trigger:
+  event:
+  - pull_request
+
+steps:
+- name: build
+  pull: always
+  image: maven:3-jdk-8
+  commands:
+  - mvn package
+
+---
+kind: pipeline
+name: release
+
+trigger:
+  branch:
+    - master
+  event:
+    - push
+
+steps:
+- name: .m2
+  pull: always
+  image: robertstettner/drone-mvn-auth
+  servers:
+  - id: etztech
+    username: etzelia
+    password:
+      from_secret: reposilite_token
+
+
+- name: deploy
+  pull: always
+  image: maven:3-jdk-8
+  commands:
+  - mvn deploy