update workflow

Author: eye-wave

.env

@@ -1 +1,2 @@
 PUBLIC_VERSION=1.0.0-beta.1
+BASE_PATH=https://eye-wave.github.io/svelte-knobs

svelte.config.js

@@ -20,7 +20,10 @@ const config = {
 			fallback: undefined,
 			precompress: false,
 			strict: true
-		})
+		}),
+		paths: {
+			base: process.argv.includes('dev') ? '' : process.env.BASE_PATH
+		}
 	}
 };