update readme.md

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
@@ -103,4 +103,7 @@ After this step, there should be two crates in package `hello-package`: **a bina
     └── simple_example.rs
 ```
 
-Yep, as you can see, the above package structure is very standard and is widely used in many Rust projects.
+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

@@ -190,4 +190,6 @@ fn main() {
     assert_eq!(__, "sit down please");
     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

@@ -63,4 +63,7 @@ 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).
+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 :)