chore: update README and build workflow for manifest handling

- Removed the repository configuration section from the README to streamline documentation.
- Updated the build workflow to create a photos manifest JSON file before running the Vite build, enhancing the build process.

Signed-off-by: Innei <tukon479@gmail.com>

.github/workflows/build.yml

@@ -38,4 +38,5 @@ jobs:
         uses: pnpm/action-setup@v4
         with:
           run_install: true
-      - run: pnpm run build
+      - run: echo '{"version":"v2","data":[]}' > apps/web/src/data/photos-manifest.json
+      - run: pnpm vite build

README.md

@@ -109,10 +109,6 @@ Create `builder.config.json` file for storage configuration and other options:
 
 ```json
 {
-  "repo": {
-    "enable": false,
-    "url": "https://github.com/username/gallery-assets"
-  },
   "storage": {
     "provider": "s3",
     "bucket": "my-photos",