Set up gitlab pages for flutter web

.metadata

@@ -4,7 +4,7 @@
 # This file should be version controlled and should not be manually edited.
 
 version:
-  revision: "603104015dd692ea3403755b55d07813d5cf8965"
+  revision: "dec2ee5c1f98f8e84a7d5380c05eb8a3d0a81668"
   channel: "stable"
 
 project_type: app
@@ -13,26 +13,26 @@ project_type: app
 migration:
   platforms:
     - platform: root
-      create_revision: 603104015dd692ea3403755b55d07813d5cf8965
-      base_revision: 603104015dd692ea3403755b55d07813d5cf8965
+      create_revision: dec2ee5c1f98f8e84a7d5380c05eb8a3d0a81668
+      base_revision: dec2ee5c1f98f8e84a7d5380c05eb8a3d0a81668
     - platform: android
-      create_revision: 603104015dd692ea3403755b55d07813d5cf8965
-      base_revision: 603104015dd692ea3403755b55d07813d5cf8965
+      create_revision: dec2ee5c1f98f8e84a7d5380c05eb8a3d0a81668
+      base_revision: dec2ee5c1f98f8e84a7d5380c05eb8a3d0a81668
     - platform: ios
-      create_revision: 603104015dd692ea3403755b55d07813d5cf8965
-      base_revision: 603104015dd692ea3403755b55d07813d5cf8965
+      create_revision: dec2ee5c1f98f8e84a7d5380c05eb8a3d0a81668
+      base_revision: dec2ee5c1f98f8e84a7d5380c05eb8a3d0a81668
     - platform: linux
-      create_revision: 603104015dd692ea3403755b55d07813d5cf8965
-      base_revision: 603104015dd692ea3403755b55d07813d5cf8965
+      create_revision: dec2ee5c1f98f8e84a7d5380c05eb8a3d0a81668
+      base_revision: dec2ee5c1f98f8e84a7d5380c05eb8a3d0a81668
     - platform: macos
-      create_revision: 603104015dd692ea3403755b55d07813d5cf8965
-      base_revision: 603104015dd692ea3403755b55d07813d5cf8965
+      create_revision: dec2ee5c1f98f8e84a7d5380c05eb8a3d0a81668
+      base_revision: dec2ee5c1f98f8e84a7d5380c05eb8a3d0a81668
     - platform: web
-      create_revision: 603104015dd692ea3403755b55d07813d5cf8965
-      base_revision: 603104015dd692ea3403755b55d07813d5cf8965
+      create_revision: dec2ee5c1f98f8e84a7d5380c05eb8a3d0a81668
+      base_revision: dec2ee5c1f98f8e84a7d5380c05eb8a3d0a81668
     - platform: windows
-      create_revision: 603104015dd692ea3403755b55d07813d5cf8965
-      base_revision: 603104015dd692ea3403755b55d07813d5cf8965
+      create_revision: dec2ee5c1f98f8e84a7d5380c05eb8a3d0a81668
+      base_revision: dec2ee5c1f98f8e84a7d5380c05eb8a3d0a81668
 
   # User provided section
 

lib/.gitlab-ci-yml

+image: cirrusci/flutter:stable
+
+stages:
+  - build
+  - deploy
+
+build:
+  stage: build
+  script:
+    - flutter config --enable-web
+    - flutter build web --release
+  artifacts:
+    paths:
+      - build/web
+
+pages:
+  stage: deploy
+  script:
+    - mv build/web public
+  artifacts:
+    paths:
+      - public
\ No newline at end of file