fix[close #1]: 3D acceleration doesn't work if container was created …

…with --unshare-all

README.md

@@ -31,7 +31,7 @@ podman image build -t vanillaos/virt .
 > The container needs to be rootfull.
 
 ```bash
-distrobox create --root --init --unshare-all -i ghcr.io/vanilla-os/virt:main -n virt # replace with your local image if you built it
+distrobox create --root --init --unshare-groups --unshare-ipc --unshare-netns --unshare-process -i ghcr.io/vanilla-os/virt:main -n virt # replace with your local image if you built it
 distrobox enter --root virt
 ```
 
@@ -66,4 +66,4 @@ if the above command fails due to missing network, try loading it from the XML:
 sudo virsh net-define /usr/share/libvirt/networks/default.xml
 sudo virsh net-start default
 virsh net-autostart default
-```
+```