update readme.md

Readme.md

@@ -1,8 +1,21 @@
-# Rust By Practice
+<div align="center">
+    <img height="150" src="https://github.com/sunface/rust-by-practice/blob/master/assets/logo.png">
+    <div>
+        <span>English</span>
+        <span> | </span>
+        <a href="https://github.com/sunface/rust-by-practice/blob/master/zh-CN/src/why-exercise.md">中文</a>
+    </div>
+    <p align="center">Practice Rust with challenging examples, exercises and projects</p>
+</div>
+
+<div align="center">
+
+[![Stars Count](https://img.shields.io/github/stars/sunface/rust-by-practice?style=flat)](https://github.com/sunface/rust-by-practice/stargazers) [![Forks Count](https://img.shields.io/github/forks/sunface/rust-by-practice.svg?style=flat)](https://github.com/naaive/orange/network/members)
+[![LICENSE](https://img.shields.io/badge/license-mit-green?style=flat)](https://github.com/sunface/rust-by-practice/blob/master/LICENSE)
+</div>
 
 This book was designed for easily diving into and get skilled with Rust, and it's very easy to use: All you need to do is to make each exercise compile without ERRORS and Panics !
 
-> 🎊 Updated on 2022-03-14: Add Chapter [Crate and Module](https://practice.rs/crate-module/intro.html)
 
 ## Reading online
 

src/crate-module/crate.md

@@ -19,7 +19,7 @@ version = "0.1.0"
 edition = "2021"
 ```
 
-> Note! We will this package across the whole chapter
+> Note! We will use this package across the whole chapter as a practice project.
 
 2. 🌟 Create a package with below layout:
 ```shell
@@ -90,11 +90,11 @@ After this step, there should be two crates in package `hello-package`: **a bina
 ├── Cargo.toml
 ├── Cargo.lock
 ├── src
-│   ├── 
-│   ├── 
-│   └── 
-│       └── 
-│       └── 
+│   ├── __
+│   ├── __
+│   └── __
+│       └── __
+│       └── __
 ├── tests # directory for integrated tests files
 │   └── some_integration_tests.rs
 ├── benches # dir for benchmark files
@@ -104,3 +104,6 @@ After this step, there should be two crates in package `hello-package`: **a bina
 ```
 
 Yep, as you can see, the above package structure is very standard and is widely used in many Rust projects.
+
+
+> You can find the solutions [here](https://github.com/sunface/rust-by-practice) (under the solutions path), but only use it when you need it :)

src/crate-module/module.md

@@ -191,3 +191,5 @@ fn main() {
     assert_eq!(__,"yummy yummy!");
 }
 ```
+
+> You can find the solutions [here](https://github.com/sunface/rust-by-practice) (under the solutions path), but only use it when you need it :)

src/crate-module/use-pub.md

@@ -64,3 +64,6 @@ pub mod a {
 
 ### Full Code
 The full code of `hello-package` is [here](https://github.com/sunface/rust-by-practice/tree/master/practices/hello-package).
+
+
+> You can find the solutions [here](https://github.com/sunface/rust-by-practice) (under the solutions path), but only use it when you need it :)