add drone build

.drone.yml

@@ -0,0 +1,17 @@
+kind: pipeline:
+name: default
+
+steps:
+- name: compile
+  image: gcc:latest
+  commands:
+    - make
+- name: gitea_release
+  image: plugins/gitea-release
+  settings:
+    api_key:
+      from_secret: gitea_token
+    base_url: https://git.purser.it
+    files: bin/*
+  when:
+    event: push