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/sourcegraph/sourcegraph.service.js

@@ -1,5 +1,5 @@
 import Joi from 'joi'
-import { BaseJsonService } from '../index.js'
+import { BaseJsonService, pathParams } from '../index.js'
 
 const projectsCountRegex = /^\s[0-9]*(\.[0-9]k)?\sprojects$/
 const schema = Joi.object({
@@ -14,16 +14,17 @@ export default class Sourcegraph extends BaseJsonService {
     pattern: ':repo(.*?)',
   }
 
-  static examples = [
-    {
-      title: 'Sourcegraph for Repo Reference Count',
-      pattern: ':repo',
-      namedParams: {
-        repo: 'github.com/gorilla/mux',
+  static openApi = {
+    '/sourcegraph/rrc/{repo}': {
+      get: {
+        summary: 'Sourcegraph for Repo Reference Count',
+        parameters: pathParams({
+          name: 'repo',
+          example: 'github.com/gorilla/mux',
+        }),
       },
-      staticPreview: this.render({ projectsCount: '9.9k projects' }),
     },
-  ]
+  }
 
   static defaultBadgeData = { color: 'brightgreen', label: 'used by' }