Add platformio build step

.drone.yml

@@ -12,7 +12,12 @@ steps:
       - cd Api
       - go build
   # Platformio esp firmware
-  #  - name: build_esp
+  - name: build_esp
+    image: python:slim
+    commands:
+      - pip install -U platformio
+      - cd ESP-Temp-Humidity
+      - pio run
   # C# frontend
   # upload docker
   - name: upload_frontend
@@ -47,4 +52,19 @@ steps:
       registry: registry.jacknet.io
       auto_tag: true
 # upload firmware blob
-#  - name: upload_esp
+  - name: upload_esp
+    image: plugins/gitea-release
+    depends_on:
+      - build
+    # This step is only run when a branch is tagged in Gitea.
+    when:
+      event: 
+        - tag
+    settings:
+      base_url: https://git.jacknet.io
+      api_key:
+        from_secret: gitea_token
+      files:
+        - ESP-Temp-Humidity\.pio\build\esp07\firmware.bin
+      checksum:
+        - sha1