fix(examples processor): ensure config can be loaded with plugins

Also:
- docs: fix processor docs

.README/processors.md

@@ -58,10 +58,10 @@ Alternatively you can just use our built-in configs which do the above for you:
 import jsdoc from 'eslint-plugin-jsdoc';
 
 export default [
-  ...index.configs.examples
+  ...jsdoc.configs.examples
 
   // Or for @default, @param and @property default expression processing
-  // ...index.configs['default-expressions']
+  // ...jsdoc.configs['default-expressions']
 
   // Or for both, use:
   // ...jsdoc.configs['examples-and-default-expressions'],

docs/processors.md

@@ -60,10 +60,10 @@ Alternatively you can just use our built-in configs which do the above for you:
 import jsdoc from 'eslint-plugin-jsdoc';
 
 export default [
-  ...index.configs.examples
+  ...jsdoc.configs.examples
 
   // Or for @default, @param and @property default expression processing
-  // ...index.configs['default-expressions']
+  // ...jsdoc.configs['default-expressions']
 
   // Or for both, use:
   // ...jsdoc.configs['examples-and-default-expressions'],

src/index.js

@@ -371,12 +371,16 @@ index.configs['examples-and-default-expressions'] = /** @type {import('eslint').
     },
   },
   ...index.configs.examples.map((config) => {
-    delete config.plugins;
-    return config;
+    return {
+      ...config,
+      plugins: {}
+    };
   }),
   ...index.configs['default-expressions'].map((config) => {
-    delete config.plugins;
-    return config;
+    return {
+      ...config,
+      plugins: {}
+    };
   })
 ]);