Add user secrets (#22191)

Fixes #22183
Replaces #22187

This PR adds secrets for users. I refactored the files for organizations
and repos to use the same logic and templates. I splitted the secrets
from deploy keys again and reverted the fix from #22187.

---------

Co-authored-by: Lunny Xiao <xiaolunwen@gmail.com>

templates/repo/settings/secrets.tmpl

@@ -1,80 +1,10 @@
-<div class="ui container">
-	<h4 class="ui top attached header">
-		{{.locale.Tr "secrets.secrets"}}
-		<div class="ui right">
-			<div class="ui primary tiny show-panel button" data-panel="#add-secret-panel">{{.locale.Tr "secrets.creation"}}</div>
-		</div>
-	</h4>
-	<div class="ui attached segment">
-		<div class="{{if not .HasError}}hide {{end}}mb-4" id="add-secret-panel">
-			<form class="ui form" action="{{.Link}}/secrets" method="post">
-				{{.CsrfTokenHtml}}
-				<div class="field">
-					{{.locale.Tr "secrets.description"}}
-				</div>
-				<div class="field{{if .Err_Title}} error{{end}}">
-					<label for="secret-title">{{.locale.Tr "secrets.name"}}</label>
-					<input id="secret-title" name="title" value="{{.title}}" autofocus required pattern="^[a-zA-Z_][a-zA-Z0-9_]*$" placeholder="{{.locale.Tr "secrets.creation.name_placeholder"}}">
-				</div>
-				<div class="field{{if .Err_Content}} error{{end}}">
-					<label for="secret-content">{{.locale.Tr "secrets.value"}}</label>
-					<textarea id="secret-content" name="content" required placeholder="{{.locale.Tr "secrets.creation.value_placeholder"}}">{{.content}}</textarea>
-				</div>
-				<button class="ui green button">
-					{{.locale.Tr "secrets.creation"}}
-				</button>
-				<button class="ui hide-panel button" data-panel="#add-secret-panel">
-					{{.locale.Tr "cancel"}}
-				</button>
-			</form>
-		</div>
-		{{if .Secrets}}
-			<div class="ui key list">
-				{{range .Secrets}}
-					<div class="item">
-						<div class="right floated content">
-							<button class="ui red tiny button delete-button" data-modal-id="delete-secret-modal" data-url="{{$.Link}}/secrets/delete" data-id="{{.ID}}">
-								{{$.locale.Tr "settings.delete_key"}}
-							</button>
-						</div>
-						<div class="left floated content">
-							<i>{{svg "octicon-key" 32}}</i>
-						</div>
-						<div class="content">
-							<strong>{{.Name}}</strong>
-							<div class="print meta">******</div>
-							<div class="activity meta">
-								<i>
-									{{$.locale.Tr "settings.add_on"}}
-									<span>{{.CreatedUnix.FormatShort}}</span>
-								</i>
-							</div>
-						</div>
-					</div>
-				{{end}}
-			</div>
-		{{else}}
-			{{.locale.Tr "secrets.none"}}
-		{{end}}
-	</div>
-</div>
-
-<div class="ui small basic delete modal" id="delete-secret-modal">
-	<div class="ui icon header">
-		{{svg "octicon-trash"}}
-		{{.locale.Tr "secrets.deletion"}}
-	</div>
-	<div class="content">
-		<p>{{.locale.Tr "secrets.deletion.description"}}</p>
-	</div>
-	<div class="actions">
-		<div class="ui red basic inverted cancel button">
-			<i class="remove icon"></i>
-			{{.locale.Tr "modal.no"}}
-		</div>
-		<div class="ui green basic inverted ok button">
-			<i class="checkmark icon"></i>
-			{{.locale.Tr "modal.yes"}}
-		</div>
+{{template "base/head" .}}
+<div class="page-content repository settings">
+	{{template "repo/header" .}}
+	{{template "repo/settings/navbar" .}}
+	<div class="ui container">
+		{{template "base/alert" .}}
+		{{template "shared/secrets/add_list" .}}
 	</div>
 </div>
+{{template "base/footer" .}}