update readme and examples

Cargo.toml

@@ -1,6 +1,6 @@
 [package]
 name = "btnify"
-version = "2.0.1"
+version = "2.0.2"
 edition = "2021"
 description = "Hosts a website with buttons for you so you can focus on what matters!"
 license = "MIT"

README.md

@@ -30,7 +30,7 @@ Run `cargo add btnify`
 
 or
 
-Add `btnify = "2.0.0"` to your `Cargo.toml`
+Add `btnify = "2.0.2"` to your `Cargo.toml`
 
 ## How to use
 
@@ -83,7 +83,7 @@ use btnify::ShutdownConfig;
 use btnify::button::{Button, ButtonResponse};
 
 struct Counter {
-    // must use Mutex for interior mutability
+    // must use Mutex for interior mutability and thread-safety
     count: Mutex<i32>,
     end_server_tx: Mutex<Option<oneshot::Sender<()>>>,
 }

src/lib.rs

@@ -45,7 +45,7 @@
 //! use btnify::button::{Button, ButtonResponse};
 //!
 //! struct Counter {
-//!     // must use Mutex for interior mutability
+//!     // must use Mutex for interior mutability and thread-safety
 //!     count: Mutex<i32>,
 //!     end_server_tx: Mutex<Option<oneshot::Sender<()>>>,
 //! }