Update README.md with screenshots

Author: rafal06

README.md

@@ -1,8 +1,21 @@
-# Grasswave CDN [WIP]
-A stupidly simple and easy to self-host, personal server for file hosting on the web
+# Grasswave CDN
+A stupidly simple and easy to self-host, personal server for file hosting on the web. Written in Rust.
 
 Thanks, [@Maciejowski](https://github.com/maciejowski2006/), for the stylesheet!
 
+## Screenshots
+
+<img src="screenshots/desktop.png" alt="screenshot of the main page">
+<details>
+    <summary>Show more</summary>
+    <h3>Mobile layout</h3>
+    <img src="screenshots/mobile.png"     alt="mobile layout" />
+    <h3>Search</h3>
+    <img src="screenshots/search.png"     alt="search"        />
+    <h3>Tag search</h3>
+    <img src="screenshots/tag-search.png" alt="tag search"    />
+    </details>
+
 ## How to use
 For every file you want to publish, create a seperate directory in the `files` folder, and place the files inside of them. In every directory, create a file named `info.toml`.
 ```
@@ -25,6 +38,3 @@ tags = ["lorem", "ipsum", "dolor"]
 path = "lorem.tar.xz"
 ```
 Run the executable, and that's it! You can visit it in the browser at `http://127.0.0.1:8000`
-
----
-Currently work in progress