migrate examples to openApi part 7; affects [reuse sourceforge sourcegraph spack stackexchange testspace treeware twitch] (#9464)

* migrate some services from examples to openApi

* capitalize all words in sourceforge titles

services/twitch/twitch-extension-version.service.js

@@ -1,4 +1,5 @@
 import Joi from 'joi'
+import { pathParams } from '../index.js'
 import { renderVersionBadge } from '../version.js'
 import TwitchBase from './twitch-base.js'
 
@@ -17,15 +18,17 @@ export default class TwitchExtensionVersion extends TwitchBase {
     pattern: ':extensionId',
   }
 
-  static examples = [
-    {
-      title: 'Twitch Extension Version',
-      namedParams: {
-        extensionId: '2nq5cu1nc9f4p75b791w8d3yo9d195',
+  static openApi = {
+    '/twitch/extension/v/{extensionId}': {
+      get: {
+        summary: 'Twitch Extension Version',
+        parameters: pathParams({
+          name: 'extensionId',
+          example: '2nq5cu1nc9f4p75b791w8d3yo9d195',
+        }),
       },
-      staticPreview: renderVersionBadge({ version: '1.0.0' }),
     },
-  ]
+  }
 
   static defaultBadgeData = {
     label: 'twitch extension',