Add Signal installation script

README.md

@@ -179,6 +179,11 @@ Mon guide à suivre lors d'une réinstallation d'Ubuntu
   gsettings set org.gnome.desktop.interface show-battery-percentage true
   ```
 
+- Installe Signal
+  ```bash
+  wget -q --show-progress https://git.kennel.ml/Anri/myLinuxConfiguration/raw/branch/main/installSignal.sh -O tmp.sh && bash tmp.sh; rm tmp.sh
+  ```
+
 <details>
   <summary>Mémo de commande utile peu de temps après une réinstallation/mise à jour</summary>
 

installGlobalScript.sh

@@ -107,6 +107,9 @@ then
         gsettings set org.gnome.desktop.interface show-battery-percentage true
         echo -e "\nBattery pourcentage now displayed! 🎉"
 
+        # Install Signal
+        bash installSignal.sh
+
         # info
         echo -e "\n\nTake care, you may need to install manually some others stuff, check the README (and the logs) of"
         echo "the project => https://git.kennel.ml/Anri/myLinuxConfiguration/src/branch/main/README.md"

installSignal.sh

@@ -0,0 +1,15 @@
+# Add the public software signing key
+wget -O- -q --show-progress https://updates.signal.org/desktop/apt/keys.asc | gpg --dearmor > signal-desktop-keyring.gpg
+cat signal-desktop-keyring.gpg | sudo tee -a /usr/share/keyrings/signal-desktop-keyring.gpg > /dev/null
+
+# Remove the gpg key
+rm signal-desktop-keyring.gpg
+
+# Add the repository to the list
+echo 'deb [arch=amd64 signed-by=/usr/share/keyrings/signal-desktop-keyring.gpg] https://updates.signal.org/desktop/apt xenial main' | sudo tee -a /etc/apt/sources.list.d/signal-xenial.list
+
+# Install the app
+sudo apt update
+sudo apt install signal-desktop
+
+echo -e "\nSignal installed! 🎉"