feat(ci): add drone CI

.drone.yml

@@ -0,0 +1,26 @@
+kind: pipeline
+type: docker
+name: Build
+
+platform:
+  os: linux
+  arch: arm64
+
+steps:
+- name: Build site
+  image: nixos/nix
+  commands:
+    - nix --experimental-features 'nix-command flakes' build
+- name: Deploy site
+  image: alpine
+  commands:
+    - apk add curl ca-certificates zip
+    - cd dist && zip -r ../deploy.zip * && cd ..
+    - 'curl --fail --upload-file deploy.zip -H "Authorization: token $GITEA_TOKEN" https://git.ashhhleyyy.dev/api/packages/ash/generic/caaard/$DRONE_COMMIT_SHA/caaard.zip'
+  environment:
+    GITEA_TOKEN:
+      from_secret: GITEA_TOKEN
+
+trigger:
+  event: [push]
+  branch: [main]