feat: add wireguard installer

- Add a new wireguard installer to the installers.

examples/installers/wireguard.vsh

@@ -0,0 +1,7 @@
+#!/usr/bin/env -S v -n -w -gc none  -cc tcc -d use_openssl -enable-globals run
+
+import freeflowuniverse.herolib.installers.net.wireguard_installer as wireguard
+
+mut wireguard_installer := wireguard.get()!
+wireguard_installer.install()!
+wireguard_installer.destroy()!