chore: release with config.schema.json (#11391)

.docker/selfhost/config.example.json

@@ -0,0 +1,6 @@
+{
+  "schema": "https://github.com/toeverything/affine/releases/latest/download/config.schema.json",
+  "server": {
+    "name": "AFFiNE Self Hosted Server"
+  }
+}

.github/workflows/release-desktop.yml

@@ -460,6 +460,7 @@ jobs:
         run: |
           cp ./.docker/selfhost/compose.yml ./release/docker-compose.yml
           cp ./.docker/selfhost/.env.example ./release/.env.example
+          cp ./.docker/selfhost/schema.json ./release/config.schema.json
       - name: Generate Release yml
         run: |
           node ./scripts/generate-release-yml.mjs