Add watch script to rebuild on changes

docs/contributing.md

@@ -81,6 +81,9 @@ Note that to use `clusterioctl` you will have to create a control config first:
 
 Once you've set up the cluster you can use `node packages/controller run` to run the controller and `node packages/host run` to run the host which connects to the controller.
 
+When editing TypeScript files runned on Node.js you need run `pnpm build` in order to compile the files to JavaScript before restarting the controller/host/ctl for changes take effect.
+To have TypeScript watch for changes and rebuild immediadly you may run `pnpm watch` instead.
+
 For web development on the controller there are also the following flags:
 
 `--dev` - Recompile the `web_ui` package on the fly providing live reloading of it.

package.json

@@ -3,6 +3,7 @@
 	"private": true,
 	"scripts": {
 		"build": "tsc --build",
+		"watch": "tsc --build --watch",
 		"test": "pnpm run build && mocha --check-leaks -R spec --recursive test \"plugins/*/test/**\"",
 		"fast-test": "FAST_TEST=y pnpm test",
 		"cover": "nyc pnpm test",