feat:find and watch location, use shadcn sonner toast for errors.

- added tailwindcss with shadcn-svelte sonner toasts
- added a location store and a geolation util to find, watch, use and
store locations and their updates
- added a LocationButton to navigate to the current location and handle
errors.
- updated the Map to use LocationButton and go to current location.

svelte.config.js

@@ -14,6 +14,9 @@ const config = {
 		adapter: adapter(),
 		csrf: {
 			trustedOrigins: ['http://localhost:3000', 'https://serengo.ziasvannes.tech']
+		},
+		alias: {
+		  "@/*": "./src/lib/*"
 		}
 	}
 };