preconfigure octoprint for use with klipper

resources/octoprint_config.cfg

@@ -0,0 +1,10 @@
+serial:
+    additionalPorts:
+    - /tmp/printer
+    disconnectOnErrors: false
+    port: /tmp/printer
+server:
+    commands:
+        serverRestartCommand: sudo service octoprint restart
+        systemRestartCommand: sudo shutdown -r now
+        systemShutdownCommand: sudo shutdown -h now