Convert backend/web from submodule to regular directory

backend/web/vite.config.ts

@@ -0,0 +1,30 @@
+import tailwindcss from '@tailwindcss/vite';
+import adapter from '@sveltejs/adapter-static';
+import { sveltekit } from '@sveltejs/kit/vite';
+import { defineConfig } from 'vite';
+
+export default defineConfig({
+  server: {
+    host: "0.0.0.0"
+  },
+	plugins: [
+		tailwindcss(),
+		sveltekit({
+			compilerOptions: {
+				// Force runes mode for the project, except for libraries. Can be removed in svelte 6.
+				runes: ({ filename }) => filename.split(/[/\\]/).includes('node_modules') ? undefined : true
+			},
+
+			// adapter-auto only supports some environments, see https://svelte.dev/docs/kit/adapter-auto for a list.
+			// If your environment is not supported, or you settled on a specific environment, switch out the adapter.
+			// See https://svelte.dev/docs/kit/adapters for more information about adapters.
+			adapter: adapter({
+        pages: '../internal/http/web',
+        assets: '../internal/http/web',
+        fallback: 'index.html', // <-- vérifie que c'est bien là et pas oublié/mal placé
+        precompress: false,
+        strict: true
+      }),
+		})
+	]
+});