fix: Update Layout component to center sidebar items and add scan_job_id to Vulnerability interface

src/components/Layout.tsx

@@ -38,7 +38,7 @@ export function Layout({ children }: LayoutProps) {
         {/* Sidebar */}
         <div className="hidden md:flex md:w-64 md:flex-col md:fixed md:inset-y-0">
           <div className="flex-1 flex flex-col min-h-0 bg-gray-800">
-            <div className="flex items-center h-16 flex-shrink-0 px-4 bg-gray-900">
+            <div className="flex flex-col items-center h-16 flex-shrink-0 px-4 bg-gray-900">
               <div className="flex-1">
                 <h1 className="text-white text-lg font-semibold">
                   GitLab Docker Tracker

src/lib/api.ts

@@ -28,6 +28,7 @@ export interface Image {
 export interface Vulnerability {
   id: number
   image_id: number
+  scan_job_id: number | null
   vulnerability_id: string
   severity: string
   title: string | null