chore: update docs

Author: spinualexandru

README.md

@@ -39,7 +39,7 @@ Add this to your `Cargo.toml`:
 
 ```toml
 [dependencies]
-hyprlang = "0.2.1"
+hyprlang = "0.3.0"
 ```
 
 ### Optional Features
@@ -50,7 +50,7 @@ Enable the `hyprland` feature to get a high-level `Hyprland` struct with pre-con
 
 ```toml
 [dependencies]
-hyprlang = { version = "0.2.1", features = ["hyprland"] }
+hyprlang = { version = "0.3.0", features = ["hyprland"] }
 ```
 
 This feature provides:
@@ -64,7 +64,7 @@ Enable the `mutation` feature to modify configuration values and serialize confi
 
 ```toml
 [dependencies]
-hyprlang = { version = "0.2.1", features = ["mutation"] }
+hyprlang = { version = "0.3.0", features = ["mutation"] }
 ```
 
 This feature provides: