docs: update build instruction (#57)

README.md

@@ -1,4 +1,4 @@
-# cmake-demo
+# CMake Demo
 
 Introduction to [CMake](https://cmake.org/) configuration for building and running simple demo
 **C/C++** programs.
@@ -8,7 +8,7 @@ Introduction to [CMake](https://cmake.org/) configuration for building and runni
 > To build the sample _demo_ programs that are in the _example_ and _project_ directory, we are
 > using `cmake` build system command on **WSL** or another virtual machine with a **GNU/Linux**
 > system, such as **Debian**, **Ubuntu**, **Fedora**, **CentOS**, and so on. The choice is yours.
-> Currently, we only support the _amd64_ architecture.
+> Currently, we only support the _amd64_ and _arm64_ architecture.
 
 Make sure you have a program called **CMake** installed, as well as a compiler for the **C/C++**
 languages, typically by entering the following command in the terminal:
@@ -19,6 +19,13 @@ sudo apt install cmake gcc g++
 cmake --version
 ```
 
+Also you can install `clang-format` and `clang-tidy` for formatting the code and other cool stuff,
+type the following command in the terminal:
+
+```shell
+sudo apt install clang-format clang-tidy
+```
+
 First step is a create build directory and generate the build files using `cmake` command from the
 top-level project directory, type the following command:
 
@@ -34,10 +41,11 @@ Navigate to the `build` directory and run the `make` command to build the execut
 demo programs:
 
 ```shell
-cd build
-make
+cd build ; make
 ```
 
+The demo programs should be compiled, and now you can run the programs.
+
 > [!CAUTION]
 >
 > For the build to succeed, you must copy the header file `mdsanima.h` into the `/usr/local/include`
@@ -107,7 +115,7 @@ Here is a example instruction for compiling and linking the source code files, t
 command:
 
 ```shell
-cd example/mdsanima-fantastic && mkdir build
+cd example/mdsanima-fantastic ; mkdir build
 g++ -o build/mdsanima-fantastic main.cc
 ./build/mdsanima-fantastic
 ```