Render number of commits in repo page in a user friendly way (#21786)

Use `JsPrettyNumber` to render the number of commits

* Closes #12637

### Before

![1094](https://user-images.githubusercontent.com/20454870/201484428-eaa80d27-eeed-444e-9dc5-ae046424de2f.png)

### After

![1,094](https://user-images.githubusercontent.com/20454870/201484385-b5bdc290-86fd-493b-a87c-c987012b18ad.png)

Signed-off-by: Yarden Shoham <hrsi88@gmail.com>
Co-authored-by: 6543 <6543@obermui.de>

templates/repo/sub_menu.tmpl

@@ -4,7 +4,7 @@
 		<div class="ui two horizontal center link list">
 			{{if and (.Permission.CanRead $.UnitTypeCode) (not .IsEmptyRepo)}}
 				<div class="item{{if .PageIsCommits}} active{{end}}">
-					<a class="ui" href="{{.RepoLink}}/commits/{{.BranchNameSubURL}}">{{svg "octicon-history"}} <b>{{.CommitsCount}}</b> {{.locale.TrN .CommitsCount "repo.commit" "repo.commits"}}</a>
+					<a class="ui" href="{{.RepoLink}}/commits/{{.BranchNameSubURL}}">{{svg "octicon-history"}} <b>{{JsPrettyNumber .CommitsCount}}</b> {{.locale.TrN .CommitsCount "repo.commit" "repo.commits"}}</a>
 				</div>
 				<div class="item{{if .PageIsBranches}} active{{end}}">
 					<a class="ui" href="{{.RepoLink}}/branches">{{svg "octicon-git-branch"}} <b>{{.BranchesCount}}</b> {{.locale.TrN .BranchesCount "repo.branch" "repo.branches"}}</a>