feat(ci): create preview builds on CI

.drone.yml

@@ -0,0 +1,33 @@
+kind: pipeline
+type: docker
+name: Build
+
+platform:
+  os: linux
+  arch: arm64
+
+steps:
+- name: Install dependencies
+  image: node:16-alpine
+  commands:
+    - yarn install
+# TODO: setup linting
+# - name: Check formatting
+#   image: node-pnpm:16-alpine
+#   commands:
+#     - pnpm format:check
+# - name: Lint code
+#   image: node-pnpm:16-alpine
+#   commands:
+#     - pnpm lint
+- name: Build app
+  image: node:16-alpine
+  commands:
+    - npx eas-cli build --platform android --non-interative --profile preview
+  environment:
+    EXPO_TOKEN:
+      from_secret: EAS_TOKEN
+
+trigger:
+  event: [push]
+  branch: [main]