Enable CI (#4)

Reviewed-on: #4

.drone.yml

@@ -0,0 +1,70 @@
+---
+kind: pipeline
+type: docker
+name: default
+
+steps:
+  - name: web_build
+    image: node:21
+    volumes:
+      - name: web_app
+        path: /tmp/web_build
+    commands:
+      - cd central_frontend
+      - npm install
+      - npm run build
+      - mv dist /tmp/web_build
+
+  - name: backend_check
+    image: rust
+    volumes:
+      - name: rust_registry
+        path: /usr/local/cargo/registry
+    commands:
+      - rustup component add clippy
+      - cd central_backend
+      - cargo clippy -- -D warnings
+      - cargo test
+
+  - name: custom_consumption_check
+    image: rust
+    volumes:
+      - name: rust_registry
+        path: /usr/local/cargo/registry
+    commands:
+      - rustup component add clippy
+      - cd custom_consumption
+      - cargo clippy -- -D warnings
+      - cargo test
+    depends_on:
+      - backend_check
+
+  - name: backend_compile
+    image: rust
+    volumes:
+      - name: rust_registry
+        path: /usr/local/cargo/registry
+      - name: web_app
+        path: /tmp/web_build
+    depends_on:
+      - backend_check
+      - web_build
+    commands:
+      - cd central_backend
+      - mv /tmp/web_build/dist static
+      - cargo build --release
+      - ls -lah target/release/central_backend
+
+  - name: esp32_compile
+    image: espressif/idf:v5.2.2 # FIXME : upgrade to 5.3.1
+    commands:
+      - cd esp32_device
+      - /opt/esp/entrypoint.sh idf.py build
+      - ls -lah build/main.bin
+
+
+volumes:
+  - name: rust_registry
+    temp: {}
+  - name: web_app
+    temp: {}