Revert experimental commits

.drone.yml

@@ -28,7 +28,6 @@ steps:
   depends_on:
   - install-deps
   commands:
-  - npm run build:images
   - npm run build:web
 
 - name: generate-calendar
@@ -38,11 +37,19 @@ steps:
   commands:
   - npm run build:calendar
 
+- name: optimize-images
+  image: node:16
+  depends_on:
+  - install-deps
+  commands:
+  - npm run build:images
+
 - name: export
   image: node:16
   depends_on:
   - build
   - generate-calendar
+  - optimize-images
   commands:
   - npm run export