Add '.drone.yml'

.drone.yml

@@ -0,0 +1,23 @@
+---
+kind: pipeline
+type: docker
+name: default
+
+steps:
+ - name: build
+    image: python:3.6
+    commands:
+        - "pip install -U platformio"
+        - "cp ampel-firmware/config.public.h ampel-firmware/config.h"
+        - "platformio run --environment esp8266"
+        - cp .pio/build/esp8266/firmware.bin esp8266.bin
+
+ - name: release
+    image: plugins/gitea-release
+    settings:
+    base_url: https://gitea.makerlab-murnau.de
+    api_key:
+      from_secret: gitea_token
+    files: ./*.bin
+    when:
+        event: tag