docs: reorganized README

Signed-off-by: Alessio Greggi <ale_grey_91@hotmail.it>

README.md

@@ -44,24 +44,26 @@ These are the syscalls that have been executed by the traced function!
 
 ## Installation
 
-### Build
+To install `harpoon` you currently have 2 options:
+
+### Download
 
-Once you have all the needed tools to run `harpoon`, you can build it locally with:
+You can easily download the latest release using the installation script:
 
 ```sh
-make build
+curl -s https://raw.githubusercontent.com/alegrey91/harpoon/main/install | sudo sh
 ```
 
-After the build is completed, you can find the executable under the `bin/` directory.
-
-### Download
+### Build
 
-Alternatively, you can easily download the latest release using the one liner:
+Or you can build `harpoon` manually by using the following command:
 
 ```sh
-curl -s https://raw.githubusercontent.com/alegrey91/harpoon/main/install | sudo sh
+make build
 ```
 
+After the build is completed, you can find the executable under the `bin/` directory.
+
 ## Debugging
 
 In case you want to run the application locally, I've provided the [`.vscode/launch.json`](.vscode/launch.json) file to easily debug the application with `root` privileges in `vscode`. Just replace the parameters marked with `<>`.