Add configure network implementation

configs/crystal/configure-network/up.nu

@@ -1,5 +1,33 @@
 let RUN_IN_CHROOT = true;
+
+def set_hostname [hostname: string] {
+    debug $"Setting host name to ($hostname)"
+    touch /etc/hostname
+    $"\n($hostname)\n" | save -a /etc/hostname
+}
+
+def create_hosts [] {
+    debug "Configuring hosts file"
+    touch /etc/hosts
+    "\n127.0.0.1 localhost\n" | save -a /etc/hosts
+}
+
+def create_ipv6_loopback [] {
+    debug "Creating ipv6 loopback"
+    touch /etc/hosts
+    "\n::1 localhost\n" | save -a /etc/hosts
+}
+
 # Applies all system changes of `configure-network`
 def main [cfg] {
-    echo "Executing up task `configure-network` with config" $cfg
+    debug $"Configuring network with config ($cfg)"
+
+    set_hostname $cfg.hostname
+    create_hosts
+
+    if $cfg.ipv6_loopback {
+        create_ipv6_loopback        
+    }
+
+    info "Configured network"
 }

configs/crystal/configure-unakite/up.nu

@@ -2,4 +2,5 @@ let RUN_IN_CHROOT = true;
 # Applies all system changes of `configure-unakite`
 def main [cfg] {
     echo "Executing up task `configure-unakite` with config" $cfg
+    todo "Implement configure-unakite"
 }

configs/crystal/install-extra-packages/up.nu

@@ -2,4 +2,6 @@ let RUN_IN_CHROOT = true;
 # Applies all system changes of `install-extra-packages`
 def main [cfg] {
     echo "Executing up task `install-extra-packages` with config" $cfg
+    todo "Implement install-extra packages"
 }
+

configs/crystal/install-timeshift/up.nu

@@ -2,4 +2,5 @@ let RUN_IN_CHROOT = true;
 # Applies all system changes of `install-timeshift`
 def main [cfg] {
     echo "Executing up task `install-timeshift` with config" $cfg
+    todo "Implement install-timeshift"
 }

configs/crystal/install-zramd/up.nu

@@ -2,4 +2,5 @@ let RUN_IN_CHROOT = true;
 # Applies all system changes of `install-zramd`
 def main [cfg] {
     echo "Executing up task `install-zramd` with config" $cfg
+    todo "Implement install-zdramd"
 }

configs/crystal/setup-root-user/up.nu

@@ -2,4 +2,5 @@ let RUN_IN_CHROOT = true;
 # Applies all system changes of `setup-root-user`
 def main [cfg] {
     echo "Executing up task `setup-root-user` with config" $cfg
+    todo "Implement setup-root-user"
 }

configs/crystal/setup-users/up.nu

@@ -2,4 +2,5 @@ let RUN_IN_CHROOT = true;
 # Applies all system changes of `setup-users`
 def main [cfg] {
     echo "Executing up task `setup-users` with config" $cfg
+    todo "Implement setup-users"
 }