📝 docs: add default author

config.toml

@@ -1,6 +1,7 @@
 base_url = "https://welpo.github.io/tabi"
 title = "~/tabi"
 description = "tabi is a fast, lightweight, and modern Zola theme with multi-language support, optional JavaScript, and a perfect Lighthouse score."
+author = "welpo"
 generate_feed = true
 compile_sass = true
 minify_html = true