Add Drone CI pipeline

.drone.yml

@@ -0,0 +1,21 @@
+---
+name: default
+kind: pipeline
+type: docker
+
+steps:
+- name: build
+  image: mcr.microsoft.com/dotnet/sdk:5.0
+  commands:
+  - ./build.sh
+  - ./zip-files.sh
+
+- name: release
+  image: plugins/gitea-release
+  settings:
+    api_key:
+      from_secret: gitea_token
+    base_url: https://git.adawesome.tech
+    files: builds/*.zip
+  when:
+    event: tag