WIP: feat: add Hetzner deployment example

- Added a new example demonstrating deployment on Hetzner using the `tfgrid3deployer`.
- The example creates a VM and adds a webname.

Co-authored-by: mahmmoud.hassanein <mahmmoud.hassanein@gmail.com>

examples/threefold/tfgrid3deployer/hetzner/hetzner.vsh

@@ -0,0 +1,37 @@
+#!/usr/bin/env -S v -gc none -no-retry-compilation -d use_openssl -enable-globals -cg run
+
+//#!/usr/bin/env -S v -gc none -no-retry-compilation -cc tcc -d use_openssl -enable-globals -cg run
+import freeflowuniverse.herolib.threefold.gridproxy
+import freeflowuniverse.herolib.threefold.tfgrid3deployer
+import freeflowuniverse.herolib.installers.threefold.griddriver
+import os
+import time
+
+griddriver.install()!
+
+v := tfgrid3deployer.get()!
+println('cred: ${v}')
+deployment_name := 'herzner_dep'
+mut deployment := tfgrid3deployer.new_deployment(deployment_name)!
+
+// TODO: find a way to filter hetzner nodes
+deployment.add_machine(
+	name:       'hetzner_vm'
+	cpu:        1
+	memory:     2
+	planetary:  false
+	public_ip4: true
+	size:       10 // 10 gig
+	mycelium:   tfgrid3deployer.Mycelium{}
+)
+deployment.deploy()!
+
+vm1 := deployment.vm_get('hetzner_vm')!
+println('vm1 info: ${vm1}')
+
+vm1_public_ip4 := vm1.public_ip4.all_before('/')
+
+deployment.add_webname(name: 'gwtohetzner', backend: 'http://${vm1_public_ip4}:80')
+deployment.deploy()!
+gw1 := deployment.webname_get('gwtohetzner')!
+println('gw info: ${gw1}')