fix webhook link

templates/repo/settings/hook_gitea.tmpl

@@ -1,5 +1,5 @@
 {{if eq .HookType "gitea"}}
-	<p>{{.i18n.Tr "repo.settings.add_webhook_desc" "https://docs.gitea.io/features/webhook.html" | Str2html}}</p>
+	<p>{{.i18n.Tr "repo.settings.add_webhook_desc" "https://docs.gitea.io/en-us/webhooks/" | Str2html}}</p>
 	<form class="ui form" action="{{.BaseLink}}/settings/hooks/gitea/{{if .PageIsSettingsHooksNew}}new{{else}}{{.Webhook.ID}}{{end}}" method="post">
 		{{.CsrfTokenHtml}}
 		<div class="required field {{if .Err_PayloadURL}}error{{end}}">

templates/repo/settings/hook_gogs.tmpl

@@ -1,5 +1,5 @@
 {{if eq .HookType "gogs"}}
-	<p>{{.i18n.Tr "repo.settings.add_webhook_desc" "https://docs.gitea.io/features/webhook.html" | Str2html}}</p>
+	<p>{{.i18n.Tr "repo.settings.add_webhook_desc" "https://docs.gitea.io/en-us/webhooks/" | Str2html}}</p>
 	<form class="ui form" action="{{.BaseLink}}/settings/hooks/gogs/{{if .PageIsSettingsHooksNew}}new{{else}}{{.Webhook.ID}}{{end}}" method="post">
 		{{.CsrfTokenHtml}}
 		<div class="required field {{if .Err_PayloadURL}}error{{end}}">