Add docker-machine-driver-hetzner

Add driver for Hetzner Cloud (https://hetzner.cloud/) to list of 3rd party docker machine drivers.

Author: monochromata

machine/AVAILABLE_DRIVER_PLUGINS.md

@@ -179,6 +179,23 @@ with Docker Inc.  Use 3rd party plugins at your own risk.
         <a href="mailto:[email protected]">[email protected]</a>
       </td>
     </tr>
+    <tr>
+      <td>Hetzner Cloud</td>
+      <td>
+        <a href=
+        "https://github.com/JonasProgrammer/docker-machine-driver-hetzner">https://github.com/JonasProgrammer/docker-machine-driver-hetzner</a>
+      </td>
+      <td>
+        <a href="https://github.com/JonasProgrammer">JonasProgrammer</a><br>
+        <a href="https://github.com/monochromata">monochromata</a><br>
+        <a href="https://github.com/mxschmitt">mxschmitt</a>
+      </td>
+      <td>
+        <a href="mailto:[email protected]">[email protected]</a><br>
+        <a href="mailto:[email protected]">[email protected]</a><br>
+        <a href="mailto:[email protected]">[email protected]</a>
+      </td>
+    </tr>
     <tr>
       <td>HPE OneView</td>
       <td>