Update README.md

README.md

@@ -1,4 +1,33 @@
 # binary-utils
 A binary system to be used for RakNet protocol.
 
+## Usage
+
+📄Cargo.toml
+```css
+[dependencies]
+binary-utils = { git = "https://github.com/ismaileke/binary-utils.git", branch = "master"}
+```
+
+
+📄main.rs
+```rust
+use binary_utils::binary::Stream;
+
+fn main() {
+    let mut stream = Stream::new(vec![1, 2], 0);
+    stream.put_byte(128);
+    stream.put_l_triad(12345);
+
+    let _ = stream.get_byte(); // first byte -> 1
+    let _ = stream.get_byte(); // second byte -> 2
+    let _ = stream.get_byte(); // third byte -> 128
+    let triad_num = stream.get_l_triad(); // triad number -> 12345
+
+    println!("{}", triad_num); //  12345
+    println!("{:?}", stream.get_buffer()); // [1, 2, 128, 57, 48, 0]
+}
+```
+
+## 📍 NOTE
 It is still in development.