feat: install svelte-18n and init setup

svelte.config.js

@@ -12,6 +12,12 @@ const config = {
 		vite: {
 			optimizeDeps: {
 				exclude: ['svelte-kit-cookie-session']
+			},
+			server: {
+				fs: {
+					// Allow serving files from one level up to the project root
+					allow: ['../locales']
+				}
 			}
 		}
 	}