♻️ reintroduce post-install

Author: miccl

README.md

@@ -23,9 +23,10 @@ cd ~/MagicMirror/modules
 git clone https://github.com/miccl/MMM-Random-local-image.git
 cd MMM-Random-local-image
 npm ci
-npm run build
 ```
 
+If post-scripts are disabled, run `npm run build` afterward.
+
 Finally, configure the module in the config.js file (instructions below).
 
 ## Updating the module
@@ -39,6 +40,8 @@ npm ci
 npm run build
 ```
 
+If post-scripts are disabled, run `npm run build` afterward.
+
 Check the [Changelog](CHANGELOG.md) for all updates.
 
 ## Using the module

package.json

@@ -9,7 +9,8 @@
     "lint": "biome check . --write",
     "lint:check": "biome check .",
     "format": "biome check . --write",
-    "build": "rollup -c",
+	  "postinstall": "npm run build",
+	  "build": "rollup -c",
     "build:dev": "rollup -c --sourcemap=inline",
     "build:watch": "npm run dev -- --watch",
     "test": "vitest",