chore: docs and readme

Author: math-queiroz

README.md

@@ -1,4 +1,27 @@
-# Theme Name
+# Rusty Typewriter
 
-A rusty hugo theme
+Rusty-Typewriter is a theme for Hugo sites made by [math-queiroz](https://github.com/math-queiroz). It's intended to be simple and used for blogs, being mostly inspired by the current [Zen Browser's website](https://zen-browser.app/) in style and other Hugo themes in functionality. It was initially intended for personal use, but made public for whomever find it worth using.
 
+![./docs/preview.png]
+
+## Features
+
+- Dark/Light Mode
+- Search
+- Side Pane
+- Customization Flgas
+- CSS Styling
+- I18n support
+- Responsive layout
+
+## Using the theme
+
+Info on how to use the theme can be found [here](https://math-queiroz.github.io/rusty-typewriter/posts/getting-started)!
+
+## Documentation
+
+The documentation for theme features can be found in the [example page](https://math-queiroz.github.io/rusty-typewriter).
+
+## Contributing
+
+Contributing guidelines soon, for now consider leaving feedback/ideas in discussions, or reporting bugs in issues ;)