updated readme

README.md

@@ -1,8 +1,12 @@
 Simple way to use [`include_bytes!`](https://doc.rust-lang.org/std/macro.include_bytes.html) for directories.
 
+# Why
+
+I wanted to include a directory for my microcontroller project, but none of the solutions I used before seems to work in a no_std environment.
+
 # Example 
 
-You can embed files two ways.
+You can embed files three ways.
 
 ## Bytes mode
 
@@ -39,3 +43,25 @@ fn main(){
     println!("{file}");
 }
 ```
+
+## Mime mode
+Same as "Bytes mode" but also add the guessed mime type from [`mime_guess`](https://crates.io/crates/mime_guess). 
+Defaults to `application/octet-stream` for unknown types.
+
+```rust
+use dir_embed::Embed;
+
+#[derive(Embed)]
+#[dir = "../web/static"] // Path is relativ to the current file
+#[mode = "mime"] 
+pub struct Assets;
+
+fn main(){
+    let file: (&[u8],&str) = Assets::get("css/style.css").expect("Can't find file");
+
+    let string = str::from_utf8(file.0).expect("Failed to parse file");
+
+    println!("{string}");
+    println!("MIME: {file.1}"); // text/css
+}
+```