feat(admin): add full alerts dashboard functionality

lib/server/admin.go

@@ -97,6 +97,20 @@ func (app *App) handleAdminDashboard(ctx *gin.Context) {
 	ctx.HTML(http.StatusOK, "admin/dashboard.html", gin.H{
 		"AdminUsername":    app.config.AdminUsername,
 		"AdminEmail":       app.config.AdminEmail,
+		"ActivePage":       "dashboard",
 		"DashboardEnabled": string(dashboardEnabled),
 	})
 }
+
+func (app *App) handleAdminAlerts(ctx *gin.Context) {
+	if !app.adminLoginEnabled() {
+		ctx.Redirect(http.StatusSeeOther, "/")
+		return
+	}
+
+	ctx.HTML(http.StatusOK, "admin/alerts.html", gin.H{
+		"AdminUsername": app.config.AdminUsername,
+		"AdminEmail":    app.config.AdminEmail,
+		"ActivePage":    "alerts",
+	})
+}