Added a way to install and uninstall a program in ALT Linux (#312)

Author: Krator3

README.md

@@ -172,6 +172,14 @@ sudo dnf install timeshift
 sudo pacman -S timeshift
 ```
 
+### ALT
+
+```sh
+su -
+apt-get update
+apt-get install timeshift
+```
+
 ## Removal
 
 Run the following command in a terminal window:  
@@ -186,6 +194,10 @@ or
 
     sudo pacman -R timeshift
 
+or
+
+    su - -c "apt-get remove timeshift"
+
 depending on your package management system.
 
 Remember to delete all snapshots before un-installing. Otherwise the snapshots continue to occupy space on your system.  To delete all snapshots, run the application, select all snapshots from the list (CTRL+A) and click the _Delete_ button on the toolbar. This will delete all snapshots and remove the _/timeshift_ folder in the root directory.