Update README.md

Author: Tom5521

README.md

@@ -3,9 +3,59 @@
 ## Usage
 
 First execute the binary with the `newconfig` arg, like this to create a empty config file
-```./[binary] [arg]
 ```
-After the configuration of the file execute `install` arg to init the installation
+./[binary] [arg] [options]
+```
+After the configuration of the file execute `--install` arg to init the installation
+
+You can see more info using `[binary] --help`
+
+The help message:
+```
+Usage:
+#[bin] [argument] -[option]
+  -grub
+        Only installs Grub
+  -help
+        Print the help message
+  -install
+        Run all the nesesary functions to install completely Arch Linux
+  -mount
+        Only mounts the disks in her routes
+  -newconfig
+        Creates a new config overwriting the original
+  -noformat
+        Don't format the partitions
+  -nofstab
+        Don't generate a fstab for the new system
+  -nogrub
+        Don't install Grub
+  -nokeymap
+        Don't config the keymap for the new system
+  -nomount
+        Don't mount the partitions
+  -nopacmanconf
+        Don't copy the temporal pacman.conf for best performance in the pacstrap
+  -nopacstrap
+        Skip the pacstrap process
+  -nopart
+        Skip the partitionating prosess (not open cfdisk)
+  -nopasswd
+        Skip the passwd setting
+  -noreboot
+        Don't reboot the system after the prosess
+  -nowifi
+        Don't configure for wifi
+  -pacstrap
+        Only runs the pacstrap functions
+  -part
+        Only changes the password of the new root
+  -passwd
+        Only changes the password of the new root
+  -version
+        Show the version of the binary
+
+```
 
 ### Configuration
 
@@ -38,6 +88,8 @@ The YAML file is a data structure used to configure the installation parameters
 
 #### Extra Configs
 
+`passwd`: Set the root password to be used for the new installation
+
 `grub_install_disk`: The storage device where the GRUB bootloader will be installed. The default value is "".
 
 `pacstrap_skip`: A boolean value indicating whether to skip the installation of Arch Linux basic packages. The default value is "false".