update relative path in plugin doc

Also, add newline to make deploy look a little better

Author: mplsgrant

resources/plugins/simln/README.md

@@ -92,7 +92,7 @@ nodes:
 plugins:
   postDeploy:
     # Take note: the path to the plugin file is relative to the `network.yaml` file. The location of your `plugin.py` file and `network.yaml` file may differ than what is shown below.
-    - "../../../resources/plugins/simln/plugin.py launch-activity '[{\"source\": \"tank-0003-ln\", \"destination\": \"tank-0005-ln\", \"interval_secs\": 1, \"amount_msat\": 2000}]'"
+    - "../../plugins/simln/plugin.py launch-activity '[{\"source\": \"tank-0003-ln\", \"destination\": \"tank-0005-ln\", \"interval_secs\": 1, \"amount_msat\": 2000}]'"
 ````
 
 </details>

src/warnet/deploy.py

@@ -86,6 +86,7 @@ def _deploy(directory, debug, namespace, to_all_users):
 
     if (directory / NETWORK_FILE).exists():
         run_plugins(directory, HookValue.PRE_DEPLOY)
+
         processes = []
         # Deploy logging CRD first to avoid synchronisation issues
         deploy_logging_crd(directory, debug)