add drone

.drone.yml

@@ -0,0 +1,25 @@
+kind: pipeline
+name: mazegame_compiler
+type: docker
+steps:
+  - name: compile main.c
+    description: Check if the code is compiling 
+    image: alpine
+    #install make and gcc
+    commands:
+      - apk add build-base
+      - mkdir build
+      - gcc -o build/main main.c
+    artifacts:
+      - name: compiled
+        path: main
+        type: file
+  - name: gitea_release
+    image: plugins/gitea-release
+    settings:
+      api_key: 
+        from_secret: gitea_api_key
+      base_url: https://brn.systems:3000
+      files: build/*
+    when: 
+      event: tag