Update '.drone.yml'

.drone.yml

@@ -6,4 +6,17 @@ steps:
 - name: compile
   image: gcc
   commands:
-  - make
+  - make
+
+- name: release
+  image: alpine
+  environment:
+    USERNAME:
+      from_secret: gitea_user
+    PASSWORD:
+      from_secret: gitea_token
+  commands:
+  - apk add curl
+  - curl --user ${USERNAME}:${PASSWORD} \
+     --upload-file balong-usbload \
+     https://git.zaage.it/api/packages/${USERNAME}/generic/balong-usbload/2.20.0/balong-usbload