fix(makers): config can also be a function

Co-authored-by: Erick Zhao <[email protected]>

config/makers/README.md

@@ -11,6 +11,28 @@ Makers are Electron Forge's way of taking your packaged application and making p
 Each maker has to be configured in the `makers` section of your forge configuration with which platforms to run for and the maker specific config. E.g.
 
 {% tabs %}
+{% tab title="forge.config.js" %}
+```javascript
+module.exports = {
+  makers: [
+    {
+      name: '@electron-forge/maker-zip',
+      platforms: ['darwin', 'linux'],
+      config: {
+        // the config can be an object
+      }
+    },
+    {
+      name: '@electron-forge/maker-dmg',
+      config: (arch) => ({
+        // it can also be a function taking the currently built arch
+        // as a parameter and returning a config object, e.g.
+      })
+    }
+  ]
+};
+```
+{% endtab %}
 {% tab title="package.json" %}
 ```jsonc
 // If your config is only in package.json:
@@ -32,24 +54,6 @@ Each maker has to be configured in the `makers` section of your forge configurat
 }
 ```
 {% endtab %}
-
-{% tab title="forge.config.js" %}
-```javascript
-// If you have set config.forge to a JavaScript file path in package.json:
-// Only showing the relevant configuration for brevity
-module.exports = {
-  makers: [
-    {
-      name: '@electron-forge/maker-zip',
-      platforms: ['darwin', 'linux'],
-      config: {
-        // Config here
-      }
-    }
-  ]
-};
-```
-{% endtab %}
 {% endtabs %}
 
 Please note that all makers have logical defaults for the `platforms` value so you normally don't need to specify that property.