feat: Add image uploader and metadata viewer components

- Implemented ImageUploader.svelte for drag-and-drop image uploads with metadata extraction.
- Created MetadataViewer.svelte to display extracted metadata in a user-friendly format.
- Added PrivacyInfo.svelte to inform users about client-side processing and privacy risks.
- Introduced ThemeToggle.svelte for dark mode functionality.
- Set up main.js for application entry point and configured Svelte with vite.
- Added Tailwind CSS for styling and configured Vite for asset management.
- Established svelte.config.js and tailwind.config.js for project settings.

.github/workflows/deploy.yml

@@ -0,0 +1,37 @@
+name: Deploy to GitHub Pages
+
+on:
+  push:
+    branches:
+      - main
+  pull_request:
+    branches:
+      - main
+
+jobs:
+  build-and-deploy:
+    runs-on: ubuntu-latest
+
+    steps:
+      - name: Checkout
+        uses: actions/checkout@v4
+
+      - name: Setup Node.js
+        uses: actions/setup-node@v4
+        with:
+          node-version: "18"
+          cache: "npm"
+
+      - name: Install dependencies
+        run: npm ci
+
+      - name: Build
+        run: npm run build
+
+      - name: Deploy to GitHub Pages
+        if: github.ref == 'refs/heads/main'
+        uses: peaceiris/actions-gh-pages@v3
+        with:
+          github_token: ${{ secrets.GITHUB_TOKEN }}
+          publish_dir: ./dist
+          cname: # Add your custom domain here if you have one