Convert locale files from ini to json format (#35489)

Migrate from the current INI format to JSON for translations. JSON is
widely supported, including by platforms such as Crowdin and Weblate.

routers/web/explore/user.go

@@ -134,7 +134,7 @@ func Users(ctx *context.Context) {
 	}
 	ctx.Data["OrganizationsPageIsDisabled"] = setting.Service.Explore.DisableOrganizationsPage
 	ctx.Data["CodePageIsDisabled"] = setting.Service.Explore.DisableCodePage
-	ctx.Data["Title"] = ctx.Tr("explore")
+	ctx.Data["Title"] = ctx.Tr("explore_title")
 	ctx.Data["PageIsExplore"] = true
 	ctx.Data["PageIsExploreUsers"] = true
 	ctx.Data["IsRepoIndexerEnabled"] = setting.Indexer.RepoIndexerEnabled