Update installation commands in the readme (#516)

Co-authored-by: Ryo Nakano <ryonakaknock3@gmail.com>

Author: stsdc

README.md

@@ -38,13 +38,13 @@ Monitor will be available from the Applications menu.
 If you plan to install WITH a wingpanel-indicator
 
 ```bash
-sudo apt install build-essential cmake sassc valac libgtk-3-dev libgee-0.8-dev libgranite-dev libgtop2-dev libhandy-1-dev libudisks2-dev libjson-glib-dev libflatpak-dev libxnvctrl-dev liblivechart-1-dev libpci-dev libwingpanel-dev meson xvfb
+sudo apt install sassc valac libgtk-3-dev libgtk-4-dev libgee-0.8-dev libgranite-7-dev libgtop2-dev libadwaita-1-dev libudisks2-dev libjson-glib-dev libflatpak-dev libxnvctrl-dev liblivechart-2-dev libpci-dev libwingpanel-dev meson
 ```
 
 Alternatively, if you plan to install WITHOUT a wingpanel-indicator
 
 ```bash
-sudo apt install build-essential cmake sassc valac libgtk-3-dev libgee-0.8-dev libgranite-dev libgtop2-dev libhandy-1-dev libudisks2-dev libjson-glib-dev libflatpak-dev libxnvctrl-dev liblivechart-1-dev libpci-dev meson xvfb
+sudo apt install sassc valac libgtk-4-dev libgee-0.8-dev libgranite-7-dev libgtop2-dev libadwaita-1-dev libudisks2-dev libjson-glib-dev libflatpak-dev libxnvctrl-dev liblivechart-2-dev libpci-dev meson
 ```
 
 
@@ -58,11 +58,11 @@ sudo apt install build-essential cmake sassc valac libgtk-3-dev libgee-0.8-dev l
 
 2. To build with the wingpanel indicator:
    ```bash
-   meson setup -Dindicator-wingpanel=enabled build
+   meson setup build --prefix=/usr -Dindicator-wingpanel=enabled
    ```
    Alternatively, to build without the wingpanel indicator:
    ```bash
-   meson setup build
+   meson setup build --prefix=/usr
    ```
 
 3. Install: